12978933475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^2\times {\mathrm{6803}}^1$

素因数の和:6964

約数の個数: 36

約数和(自身を含む): 17301252024

約数和(自身を除く): 4322318549

約数列:

[1, 5, 17, 25, 67, 85, 335, 425, 1139, 1675, 4489, 5695, 6803, 22445, 28475, 34015, 76313, 112225, 115651, 170075, 381565, 455801, 578255, 1907825, 2279005, 2891275, 7748617, 11395025, 30538667, 38743085, 152693335, 193715425, 519157339, 763466675, 2595786695, 12978933475]

約数ペア:

[(1, 12978933475), (5, 2595786695), (17, 763466675), (25, 519157339), (67, 193715425), (85, 152693335), (335, 38743085), (425, 30538667), (1139, 11395025), (1675, 7748617), (4489, 2891275), (5695, 2279005), (6803, 1907825), (22445, 578255), (28475, 455801), (34015, 381565), (76313, 170075), (112225, 115651)]