321656272

素因数分解:

$2^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{20963}}^1$

素因数の和:21115

約数の個数: 40

約数和(自身を含む): 717471936

約数和(自身を除く): 395815664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137, 274, 548, 959, 1096, 1918, 2192, 3836, 7672, 15344, 20963, 41926, 83852, 146741, 167704, 293482, 335408, 586964, 1173928, 2347856, 2871931, 5743862, 11487724, 20103517, 22975448, 40207034, 45950896, 80414068, 160828136, 321656272]

約数ペア:

[(1, 321656272), (2, 160828136), (4, 80414068), (7, 45950896), (8, 40207034), (14, 22975448), (16, 20103517), (28, 11487724), (56, 5743862), (112, 2871931), (137, 2347856), (274, 1173928), (548, 586964), (959, 335408), (1096, 293482), (1918, 167704), (2192, 146741), (3836, 83852), (7672, 41926), (15344, 20963)]