189013825

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1$

素因数の和:144

約数の個数: 108

約数和(自身を含む): 325947888

約数和(自身を除く): 136934063

約数列:

[1, 5, 7, 11, 13, 25, 35, 49, 55, 65, 77, 83, 91, 143, 169, 175, 245, 275, 325, 385, 415, 455, 539, 581, 637, 715, 845, 913, 1001, 1079, 1183, 1225, 1859, 1925, 2075, 2275, 2695, 2905, 3185, 3575, 4067, 4225, 4565, 5005, 5395, 5915, 6391, 7007, 7553, 8281, 9295, 11869, 13013, 13475, 14027, 14525, 15925, 20335, 22825, 25025, 26975, 29575, 31955, 35035, 37765, 41405, 44737, 46475, 52871, 59345, 65065, 70135, 83083, 91091, 98189, 101675, 154297, 159775, 175175, 188825, 207025, 223685, 264355, 296725, 325325, 350675, 415415, 455455, 490945, 581581, 687323, 771485, 1080079, 1118425, 1321775, 2077075, 2277275, 2454725, 2907905, 3436615, 3857425, 5400395, 7560553, 14539525, 17183075, 27001975, 37802765, 189013825]

約数ペア:

[(1, 189013825), (5, 37802765), (7, 27001975), (11, 17183075), (13, 14539525), (25, 7560553), (35, 5400395), (49, 3857425), (55, 3436615), (65, 2907905), (77, 2454725), (83, 2277275), (91, 2077075), (143, 1321775), (169, 1118425), (175, 1080079), (245, 771485), (275, 687323), (325, 581581), (385, 490945), (415, 455455), (455, 415415), (539, 350675), (581, 325325), (637, 296725), (715, 264355), (845, 223685), (913, 207025), (1001, 188825), (1079, 175175), (1183, 159775), (1225, 154297), (1859, 101675), (1925, 98189), (2075, 91091), (2275, 83083), (2695, 70135), (2905, 65065), (3185, 59345), (3575, 52871), (4067, 46475), (4225, 44737), (4565, 41405), (5005, 37765), (5395, 35035), (5915, 31955), (6391, 29575), (7007, 26975), (7553, 25025), (8281, 22825), (9295, 20335), (11869, 15925), (13013, 14525), (13475, 14027)]