20171563775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:561

約数の個数: 96

約数和(自身を含む): 29465399808

約数和(自身を除く): 9293836033

約数列:

[1, 5, 11, 17, 25, 55, 85, 103, 163, 187, 257, 275, 425, 515, 815, 935, 1133, 1285, 1751, 1793, 2575, 2771, 2827, 4075, 4369, 4675, 5665, 6425, 8755, 8965, 13855, 14135, 16789, 19261, 21845, 26471, 28325, 30481, 41891, 43775, 44825, 48059, 69275, 70675, 83945, 96305, 109225, 132355, 152405, 184679, 209455, 240295, 285413, 291181, 419725, 450007, 460801, 481525, 661775, 712147, 762025, 923395, 1047275, 1201475, 1427065, 1455905, 2250035, 2304005, 3139543, 3560735, 4314773, 4616975, 4950077, 7135325, 7279525, 7833617, 11250175, 11520025, 15697715, 17803675, 21573865, 24750385, 39168085, 47462503, 73351141, 78488575, 107869325, 123751925, 195840425, 237312515, 366755705, 806862551, 1186562575, 1833778525, 4034312755, 20171563775]

約数ペア:

[(1, 20171563775), (5, 4034312755), (11, 1833778525), (17, 1186562575), (25, 806862551), (55, 366755705), (85, 237312515), (103, 195840425), (163, 123751925), (187, 107869325), (257, 78488575), (275, 73351141), (425, 47462503), (515, 39168085), (815, 24750385), (935, 21573865), (1133, 17803675), (1285, 15697715), (1751, 11520025), (1793, 11250175), (2575, 7833617), (2771, 7279525), (2827, 7135325), (4075, 4950077), (4369, 4616975), (4675, 4314773), (5665, 3560735), (6425, 3139543), (8755, 2304005), (8965, 2250035), (13855, 1455905), (14135, 1427065), (16789, 1201475), (19261, 1047275), (21845, 923395), (26471, 762025), (28325, 712147), (30481, 661775), (41891, 481525), (43775, 460801), (44825, 450007), (48059, 419725), (69275, 291181), (70675, 285413), (83945, 240295), (96305, 209455), (109225, 184679), (132355, 152405)]