398611268

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{857}}^1$

素因数の和:945

約数の個数: 54

約数和(自身を含む): 793206414

約数和(自身を除く): 394595146

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 121, 124, 242, 341, 484, 682, 857, 961, 1364, 1714, 1922, 3428, 3751, 3844, 7502, 9427, 10571, 15004, 18854, 21142, 26567, 37708, 42284, 53134, 103697, 106268, 116281, 207394, 232562, 292237, 414788, 465124, 584474, 823577, 1168948, 1647154, 3214607, 3294308, 6429214, 9059347, 12858428, 18118694, 36237388, 99652817, 199305634, 398611268]

約数ペア:

[(1, 398611268), (2, 199305634), (4, 99652817), (11, 36237388), (22, 18118694), (31, 12858428), (44, 9059347), (62, 6429214), (121, 3294308), (124, 3214607), (242, 1647154), (341, 1168948), (484, 823577), (682, 584474), (857, 465124), (961, 414788), (1364, 292237), (1714, 232562), (1922, 207394), (3428, 116281), (3751, 106268), (3844, 103697), (7502, 53134), (9427, 42284), (10571, 37708), (15004, 26567), (18854, 21142)]