1298726608

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{27211}}^1$

素因数の和:27395

約数の個数: 40

約数和(自身を含む): 2665687520

約数和(自身を除く): 1366960912

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 304, 314, 628, 1256, 2512, 2983, 5966, 11932, 23864, 27211, 47728, 54422, 108844, 217688, 435376, 517009, 1034018, 2068036, 4136072, 4272127, 8272144, 8544254, 17088508, 34177016, 68354032, 81170413, 162340826, 324681652, 649363304, 1298726608]

約数ペア:

[(1, 1298726608), (2, 649363304), (4, 324681652), (8, 162340826), (16, 81170413), (19, 68354032), (38, 34177016), (76, 17088508), (152, 8544254), (157, 8272144), (304, 4272127), (314, 4136072), (628, 2068036), (1256, 1034018), (2512, 517009), (2983, 435376), (5966, 217688), (11932, 108844), (23864, 54422), (27211, 47728)]