31639986

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1237}}^1$

素因数の和:1288

約数の個数: 72

約数和(自身を含む): 82562220

約数和(自身を除く): 50922234

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 49, 58, 63, 87, 98, 126, 147, 174, 203, 261, 294, 406, 441, 522, 609, 882, 1218, 1237, 1421, 1827, 2474, 2842, 3654, 3711, 4263, 7422, 8526, 8659, 11133, 12789, 17318, 22266, 25578, 25977, 35873, 51954, 60613, 71746, 77931, 107619, 121226, 155862, 181839, 215238, 251111, 322857, 363678, 502222, 545517, 645714, 753333, 1091034, 1506666, 1757777, 2259999, 3515554, 4519998, 5273331, 10546662, 15819993, 31639986]

約数ペア:

[(1, 31639986), (2, 15819993), (3, 10546662), (6, 5273331), (7, 4519998), (9, 3515554), (14, 2259999), (18, 1757777), (21, 1506666), (29, 1091034), (42, 753333), (49, 645714), (58, 545517), (63, 502222), (87, 363678), (98, 322857), (126, 251111), (147, 215238), (174, 181839), (203, 155862), (261, 121226), (294, 107619), (406, 77931), (441, 71746), (522, 60613), (609, 51954), (882, 35873), (1218, 25977), (1237, 25578), (1421, 22266), (1827, 17318), (2474, 12789), (2842, 11133), (3654, 8659), (3711, 8526), (4263, 7422)]