28208764

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 54331200

約数和(自身を除く): 26122436

約数列:

[1, 2, 4, 23, 29, 46, 58, 92, 97, 109, 116, 194, 218, 388, 436, 667, 1334, 2231, 2507, 2668, 2813, 3161, 4462, 5014, 5626, 6322, 8924, 10028, 10573, 11252, 12644, 21146, 42292, 64699, 72703, 129398, 145406, 243179, 258796, 290812, 306617, 486358, 613234, 972716, 1226468, 7052191, 14104382, 28208764]

約数ペア:

[(1, 28208764), (2, 14104382), (4, 7052191), (23, 1226468), (29, 972716), (46, 613234), (58, 486358), (92, 306617), (97, 290812), (109, 258796), (116, 243179), (194, 145406), (218, 129398), (388, 72703), (436, 64699), (667, 42292), (1334, 21146), (2231, 12644), (2507, 11252), (2668, 10573), (2813, 10028), (3161, 8924), (4462, 6322), (5014, 5626)]