1380338974

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 2525644800

約数和(自身を除く): 1145305826

約数列:

[1, 2, 7, 14, 23, 46, 71, 142, 161, 173, 322, 346, 349, 497, 698, 994, 1211, 1633, 2422, 2443, 3266, 3979, 4886, 7958, 8027, 11431, 12283, 16054, 22862, 24566, 24779, 27853, 49558, 55706, 56189, 60377, 85981, 112378, 120754, 171962, 173453, 282509, 346906, 422639, 565018, 569917, 845278, 1139834, 1388671, 1977563, 2777342, 3955126, 3989419, 4286767, 7978838, 8573534, 9720697, 19441394, 30007369, 60014738, 98595641, 197191282, 690169487, 1380338974]

約数ペア:

[(1, 1380338974), (2, 690169487), (7, 197191282), (14, 98595641), (23, 60014738), (46, 30007369), (71, 19441394), (142, 9720697), (161, 8573534), (173, 7978838), (322, 4286767), (346, 3989419), (349, 3955126), (497, 2777342), (698, 1977563), (994, 1388671), (1211, 1139834), (1633, 845278), (2422, 569917), (2443, 565018), (3266, 422639), (3979, 346906), (4886, 282509), (7958, 173453), (8027, 171962), (11431, 120754), (12283, 112378), (16054, 85981), (22862, 60377), (24566, 56189), (24779, 55706), (27853, 49558)]