12970947925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{21821}}^1$

素因数の和:21934

約数の個数: 48

約数和(自身を含む): 18183836160

約数和(自身を除く): 5212888235

約数列:

[1, 5, 13, 25, 31, 59, 65, 155, 295, 325, 403, 767, 775, 1475, 1829, 2015, 3835, 9145, 10075, 19175, 21821, 23777, 45725, 109105, 118885, 283673, 545525, 594425, 676451, 1287439, 1418365, 3382255, 6437195, 7091825, 8793863, 16736707, 16911275, 32185975, 39910609, 43969315, 83683535, 199553045, 219846575, 418417675, 518837917, 997765225, 2594189585, 12970947925]

約数ペア:

[(1, 12970947925), (5, 2594189585), (13, 997765225), (25, 518837917), (31, 418417675), (59, 219846575), (65, 199553045), (155, 83683535), (295, 43969315), (325, 39910609), (403, 32185975), (767, 16911275), (775, 16736707), (1475, 8793863), (1829, 7091825), (2015, 6437195), (3835, 3382255), (9145, 1418365), (10075, 1287439), (19175, 676451), (21821, 594425), (23777, 545525), (45725, 283673), (109105, 118885)]