398557588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2411}}^1$

素因数の和:2473

約数の個数: 72

約数和(自身を含む): 870809184

約数和(自身を除く): 472251596

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 289, 374, 442, 572, 578, 748, 884, 1156, 2411, 2431, 3179, 3757, 4822, 4862, 6358, 7514, 9644, 9724, 12716, 15028, 26521, 31343, 40987, 41327, 53042, 62686, 81974, 82654, 106084, 125372, 163948, 165308, 344773, 450857, 532831, 689546, 696779, 901714, 1065662, 1379092, 1393558, 1803428, 2131324, 2787116, 5861141, 7664569, 9058127, 11722282, 15329138, 18116254, 23444564, 30658276, 36232508, 99639397, 199278794, 398557588]

約数ペア:

[(1, 398557588), (2, 199278794), (4, 99639397), (11, 36232508), (13, 30658276), (17, 23444564), (22, 18116254), (26, 15329138), (34, 11722282), (44, 9058127), (52, 7664569), (68, 5861141), (143, 2787116), (187, 2131324), (221, 1803428), (286, 1393558), (289, 1379092), (374, 1065662), (442, 901714), (572, 696779), (578, 689546), (748, 532831), (884, 450857), (1156, 344773), (2411, 165308), (2431, 163948), (3179, 125372), (3757, 106084), (4822, 82654), (4862, 81974), (6358, 62686), (7514, 53042), (9644, 41327), (9724, 40987), (12716, 31343), (15028, 26521)]