156970972925

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{1951}}^1$

素因数の和:2263

約数の個数: 72

約数和(自身を含む): 213943806720

約数和(自身を除く): 56972833795

約数列:

[1, 5, 13, 25, 65, 137, 139, 169, 325, 685, 695, 845, 1781, 1807, 1951, 3425, 3475, 4225, 8905, 9035, 9755, 19043, 23153, 23491, 25363, 44525, 45175, 48775, 95215, 115765, 117455, 126815, 247559, 267287, 271189, 329719, 476075, 578825, 587275, 634075, 1237795, 1336435, 1355945, 1648595, 3218267, 3474731, 3525457, 6188975, 6682175, 6779725, 8242975, 16091335, 17373655, 17627285, 37152893, 45171503, 45830941, 80456675, 86868275, 88136425, 185764465, 225857515, 229154705, 482987609, 928822325, 1129287575, 1145773525, 2414938045, 6278838917, 12074690225, 31394194585, 156970972925]

約数ペア:

[(1, 156970972925), (5, 31394194585), (13, 12074690225), (25, 6278838917), (65, 2414938045), (137, 1145773525), (139, 1129287575), (169, 928822325), (325, 482987609), (685, 229154705), (695, 225857515), (845, 185764465), (1781, 88136425), (1807, 86868275), (1951, 80456675), (3425, 45830941), (3475, 45171503), (4225, 37152893), (8905, 17627285), (9035, 17373655), (9755, 16091335), (19043, 8242975), (23153, 6779725), (23491, 6682175), (25363, 6188975), (44525, 3525457), (45175, 3474731), (48775, 3218267), (95215, 1648595), (115765, 1355945), (117455, 1336435), (126815, 1237795), (247559, 634075), (267287, 587275), (271189, 578825), (329719, 476075)]