31139992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 65973600

約数和(自身を除く): 34833608

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 67, 82, 104, 109, 134, 164, 218, 268, 328, 436, 533, 536, 871, 872, 1066, 1417, 1742, 2132, 2747, 2834, 3484, 4264, 4469, 5494, 5668, 6968, 7303, 8938, 10988, 11336, 14606, 17876, 21976, 29212, 35711, 35752, 58097, 58424, 71422, 94939, 116194, 142844, 189878, 232388, 285688, 299423, 379756, 464776, 598846, 759512, 1197692, 2395384, 3892499, 7784998, 15569996, 31139992]

約数ペア:

[(1, 31139992), (2, 15569996), (4, 7784998), (8, 3892499), (13, 2395384), (26, 1197692), (41, 759512), (52, 598846), (67, 464776), (82, 379756), (104, 299423), (109, 285688), (134, 232388), (164, 189878), (218, 142844), (268, 116194), (328, 94939), (436, 71422), (533, 58424), (536, 58097), (871, 35752), (872, 35711), (1066, 29212), (1417, 21976), (1742, 17876), (2132, 14606), (2747, 11336), (2834, 10988), (3484, 8938), (4264, 7303), (4469, 6968), (5494, 5668)]