28528924

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 58796640

約数和(自身を除く): 30267716

約数列:

[1, 2, 4, 17, 23, 29, 34, 37, 46, 58, 68, 74, 92, 116, 148, 289, 391, 493, 578, 629, 667, 782, 851, 986, 1073, 1156, 1258, 1334, 1564, 1702, 1972, 2146, 2516, 2668, 3404, 4292, 6647, 8381, 10693, 11339, 13294, 14467, 16762, 18241, 21386, 22678, 24679, 26588, 28934, 33524, 36482, 42772, 45356, 49358, 57868, 72964, 98716, 192763, 245939, 310097, 385526, 419543, 491878, 620194, 771052, 839086, 983756, 1240388, 1678172, 7132231, 14264462, 28528924]

約数ペア:

[(1, 28528924), (2, 14264462), (4, 7132231), (17, 1678172), (23, 1240388), (29, 983756), (34, 839086), (37, 771052), (46, 620194), (58, 491878), (68, 419543), (74, 385526), (92, 310097), (116, 245939), (148, 192763), (289, 98716), (391, 72964), (493, 57868), (578, 49358), (629, 45356), (667, 42772), (782, 36482), (851, 33524), (986, 28934), (1073, 26588), (1156, 24679), (1258, 22678), (1334, 21386), (1564, 18241), (1702, 16762), (1972, 14467), (2146, 13294), (2516, 11339), (2668, 10693), (3404, 8381), (4292, 6647)]