68720428

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1931}}^1$

素因数の和:2014

約数の個数: 48

約数和(自身を含む): 145410048

約数和(自身を除く): 76689620

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 62, 82, 124, 164, 217, 287, 434, 574, 868, 1148, 1271, 1931, 2542, 3862, 5084, 7724, 8897, 13517, 17794, 27034, 35588, 54068, 59861, 79171, 119722, 158342, 239444, 316684, 419027, 554197, 838054, 1108394, 1676108, 2216788, 2454301, 4908602, 9817204, 17180107, 34360214, 68720428]

約数ペア:

[(1, 68720428), (2, 34360214), (4, 17180107), (7, 9817204), (14, 4908602), (28, 2454301), (31, 2216788), (41, 1676108), (62, 1108394), (82, 838054), (124, 554197), (164, 419027), (217, 316684), (287, 239444), (434, 158342), (574, 119722), (868, 79171), (1148, 59861), (1271, 54068), (1931, 35588), (2542, 27034), (3862, 17794), (5084, 13517), (7724, 8897)]