31264688

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:334

約数の個数: 80

約数和(自身を含む): 75620160

約数和(自身を除く): 44355472

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 109, 112, 182, 197, 208, 218, 364, 394, 436, 728, 763, 788, 872, 1379, 1417, 1456, 1526, 1576, 1744, 2561, 2758, 2834, 3052, 3152, 5122, 5516, 5668, 6104, 9919, 10244, 11032, 11336, 12208, 17927, 19838, 20488, 21473, 22064, 22672, 35854, 39676, 40976, 42946, 71708, 79352, 85892, 143416, 150311, 158704, 171784, 279149, 286832, 300622, 343568, 558298, 601244, 1116596, 1202488, 1954043, 2233192, 2404976, 3908086, 4466384, 7816172, 15632344, 31264688]

約数ペア:

[(1, 31264688), (2, 15632344), (4, 7816172), (7, 4466384), (8, 3908086), (13, 2404976), (14, 2233192), (16, 1954043), (26, 1202488), (28, 1116596), (52, 601244), (56, 558298), (91, 343568), (104, 300622), (109, 286832), (112, 279149), (182, 171784), (197, 158704), (208, 150311), (218, 143416), (364, 85892), (394, 79352), (436, 71708), (728, 42946), (763, 40976), (788, 39676), (872, 35854), (1379, 22672), (1417, 22064), (1456, 21473), (1526, 20488), (1576, 19838), (1744, 17927), (2561, 12208), (2758, 11336), (2834, 11032), (3052, 10244), (3152, 9919), (5122, 6104), (5516, 5668)]