256400824

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{461}}^1\times {\mathrm{1879}}^1$

素因数の和:2383

約数の個数: 32

約数和(自身を含む): 495079200

約数和(自身を除く): 238678376

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 461, 922, 1844, 1879, 3688, 3758, 7516, 15032, 17057, 34114, 68228, 69523, 136456, 139046, 278092, 556184, 866219, 1732438, 3464876, 6929752, 32050103, 64100206, 128200412, 256400824]

約数ペア:

[(1, 256400824), (2, 128200412), (4, 64100206), (8, 32050103), (37, 6929752), (74, 3464876), (148, 1732438), (296, 866219), (461, 556184), (922, 278092), (1844, 139046), (1879, 136456), (3688, 69523), (3758, 68228), (7516, 34114), (15032, 17057)]