81141996

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{3313}}^1$

素因数の和:3490

約数の個数: 48

約数和(自身を含む): 205255904

約数和(自身を除く): 124113908

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 157, 314, 471, 628, 942, 1884, 2041, 3313, 4082, 6123, 6626, 8164, 9939, 12246, 13252, 19878, 24492, 39756, 43069, 86138, 129207, 172276, 258414, 516828, 520141, 1040282, 1560423, 2080564, 3120846, 6241692, 6761833, 13523666, 20285499, 27047332, 40570998, 81141996]

約数ペア:

[(1, 81141996), (2, 40570998), (3, 27047332), (4, 20285499), (6, 13523666), (12, 6761833), (13, 6241692), (26, 3120846), (39, 2080564), (52, 1560423), (78, 1040282), (156, 520141), (157, 516828), (314, 258414), (471, 172276), (628, 129207), (942, 86138), (1884, 43069), (2041, 39756), (3313, 24492), (4082, 19878), (6123, 13252), (6626, 12246), (8164, 9939)]