31465070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:585

約数の個数: 64

約数和(自身を含む): 70834176

約数和(自身を除く): 39369106

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 71, 91, 130, 142, 182, 355, 455, 487, 497, 710, 910, 923, 974, 994, 1846, 2435, 2485, 3409, 4615, 4870, 4970, 6331, 6461, 6818, 9230, 12662, 12922, 17045, 31655, 32305, 34090, 34577, 44317, 63310, 64610, 69154, 88634, 172885, 221585, 242039, 345770, 443170, 449501, 484078, 899002, 1210195, 2247505, 2420390, 3146507, 4495010, 6293014, 15732535, 31465070]

約数ペア:

[(1, 31465070), (2, 15732535), (5, 6293014), (7, 4495010), (10, 3146507), (13, 2420390), (14, 2247505), (26, 1210195), (35, 899002), (65, 484078), (70, 449501), (71, 443170), (91, 345770), (130, 242039), (142, 221585), (182, 172885), (355, 88634), (455, 69154), (487, 64610), (497, 63310), (710, 44317), (910, 34577), (923, 34090), (974, 32305), (994, 31655), (1846, 17045), (2435, 12922), (2485, 12662), (3409, 9230), (4615, 6818), (4870, 6461), (4970, 6331)]