251814472

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20347}}^1$

素因数の和:20390

約数の個数: 64

約数和(自身を含む): 615323520

約数和(自身を除く): 363509048

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1768, 3094, 6188, 12376, 20347, 40694, 81388, 142429, 162776, 264511, 284858, 345899, 529022, 569716, 691798, 1058044, 1139432, 1383596, 1851577, 2116088, 2421293, 2767192, 3703154, 4496687, 4842586, 7406308, 8993374, 9685172, 14812616, 17986748, 19370344, 31476809, 35973496, 62953618, 125907236, 251814472]

約数ペア:

[(1, 251814472), (2, 125907236), (4, 62953618), (7, 35973496), (8, 31476809), (13, 19370344), (14, 17986748), (17, 14812616), (26, 9685172), (28, 8993374), (34, 7406308), (52, 4842586), (56, 4496687), (68, 3703154), (91, 2767192), (104, 2421293), (119, 2116088), (136, 1851577), (182, 1383596), (221, 1139432), (238, 1058044), (364, 691798), (442, 569716), (476, 529022), (728, 345899), (884, 284858), (952, 264511), (1547, 162776), (1768, 142429), (3094, 81388), (6188, 40694), (12376, 20347)]