631856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:149

約数の個数: 40

約数和(自身を含む): 1365984

約数和(自身を除く): 734128

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 101, 136, 184, 202, 272, 368, 391, 404, 782, 808, 1564, 1616, 1717, 2323, 3128, 3434, 4646, 6256, 6868, 9292, 13736, 18584, 27472, 37168, 39491, 78982, 157964, 315928, 631856]

約数ペア:

[(1, 631856), (2, 315928), (4, 157964), (8, 78982), (16, 39491), (17, 37168), (23, 27472), (34, 18584), (46, 13736), (68, 9292), (92, 6868), (101, 6256), (136, 4646), (184, 3434), (202, 3128), (272, 2323), (368, 1717), (391, 1616), (404, 1564), (782, 808)]