12800728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1543}}^1$

素因数の和:1627

約数の個数: 32

約数和(自身を含む): 25846560

約数和(自身を除く): 13045832

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 122, 136, 244, 488, 1037, 1543, 2074, 3086, 4148, 6172, 8296, 12344, 26231, 52462, 94123, 104924, 188246, 209848, 376492, 752984, 1600091, 3200182, 6400364, 12800728]

約数ペア:

[(1, 12800728), (2, 6400364), (4, 3200182), (8, 1600091), (17, 752984), (34, 376492), (61, 209848), (68, 188246), (122, 104924), (136, 94123), (244, 52462), (488, 26231), (1037, 12344), (1543, 8296), (2074, 6172), (3086, 4148)]