278232752

素因数分解:

$2^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{18133}}^1$

素因数の和:18285

約数の個数: 40

約数和(自身を含む): 620618016

約数和(自身を除く): 342385264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137, 274, 548, 959, 1096, 1918, 2192, 3836, 7672, 15344, 18133, 36266, 72532, 126931, 145064, 253862, 290128, 507724, 1015448, 2030896, 2484221, 4968442, 9936884, 17389547, 19873768, 34779094, 39747536, 69558188, 139116376, 278232752]

約数ペア:

[(1, 278232752), (2, 139116376), (4, 69558188), (7, 39747536), (8, 34779094), (14, 19873768), (16, 17389547), (28, 9936884), (56, 4968442), (112, 2484221), (137, 2030896), (274, 1015448), (548, 507724), (959, 290128), (1096, 253862), (1918, 145064), (2192, 126931), (3836, 72532), (7672, 36266), (15344, 18133)]