9905684425

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:396

約数の個数: 144

約数和(自身を含む): 16163809200

約数和(自身を除く): 6258124775

約数列:

[1, 5, 7, 13, 25, 29, 35, 49, 65, 89, 91, 145, 175, 203, 241, 245, 325, 377, 445, 455, 623, 637, 725, 1015, 1157, 1205, 1225, 1421, 1687, 1885, 2225, 2275, 2581, 2639, 3115, 3133, 3185, 4361, 5075, 5785, 6025, 6989, 7105, 8099, 8435, 9425, 11809, 12905, 13195, 15575, 15665, 15925, 18067, 18473, 21449, 21805, 21931, 28925, 33553, 34945, 35525, 40495, 42175, 48923, 56693, 59045, 64525, 65975, 78325, 90335, 90857, 92365, 107245, 109025, 109655, 126469, 150143, 153517, 167765, 174725, 202475, 234871, 244615, 278837, 283465, 295225, 342461, 451675, 454285, 461825, 536225, 548275, 622021, 632345, 635999, 750715, 767585, 838825, 1051001, 1174355, 1223075, 1394185, 1417325, 1644097, 1712305, 1951859, 2271425, 3110105, 3161725, 3179995, 3753575, 3837925, 4354147, 4451993, 5255005, 5871775, 6970925, 8086273, 8220485, 8561525, 9759295, 13663013, 15550525, 15899975, 21770735, 22259965, 26275025, 30479029, 40431365, 41102425, 48796475, 56603911, 68315065, 108853675, 111299825, 152395145, 202156825, 283019555, 341575325, 396227377, 761975725, 1415097775, 1981136885, 9905684425]

約数ペア:

[(1, 9905684425), (5, 1981136885), (7, 1415097775), (13, 761975725), (25, 396227377), (29, 341575325), (35, 283019555), (49, 202156825), (65, 152395145), (89, 111299825), (91, 108853675), (145, 68315065), (175, 56603911), (203, 48796475), (241, 41102425), (245, 40431365), (325, 30479029), (377, 26275025), (445, 22259965), (455, 21770735), (623, 15899975), (637, 15550525), (725, 13663013), (1015, 9759295), (1157, 8561525), (1205, 8220485), (1225, 8086273), (1421, 6970925), (1687, 5871775), (1885, 5255005), (2225, 4451993), (2275, 4354147), (2581, 3837925), (2639, 3753575), (3115, 3179995), (3133, 3161725), (3185, 3110105), (4361, 2271425), (5075, 1951859), (5785, 1712305), (6025, 1644097), (6989, 1417325), (7105, 1394185), (8099, 1223075), (8435, 1174355), (9425, 1051001), (11809, 838825), (12905, 767585), (13195, 750715), (15575, 635999), (15665, 632345), (15925, 622021), (18067, 548275), (18473, 536225), (21449, 461825), (21805, 454285), (21931, 451675), (28925, 342461), (33553, 295225), (34945, 283465), (35525, 278837), (40495, 244615), (42175, 234871), (48923, 202475), (56693, 174725), (59045, 167765), (64525, 153517), (65975, 150143), (78325, 126469), (90335, 109655), (90857, 109025), (92365, 107245)]