28996448

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1621}}^1$

素因数の和:1687

約数の個数: 48

約数和(自身を含む): 62946576

約数和(自身を除く): 33950128

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1118, 1376, 1621, 2236, 3242, 4472, 6484, 8944, 12968, 17888, 21073, 25936, 42146, 51872, 69703, 84292, 139406, 168584, 278812, 337168, 557624, 674336, 906139, 1115248, 1812278, 2230496, 3624556, 7249112, 14498224, 28996448]

約数ペア:

[(1, 28996448), (2, 14498224), (4, 7249112), (8, 3624556), (13, 2230496), (16, 1812278), (26, 1115248), (32, 906139), (43, 674336), (52, 557624), (86, 337168), (104, 278812), (172, 168584), (208, 139406), (344, 84292), (416, 69703), (559, 51872), (688, 42146), (1118, 25936), (1376, 21073), (1621, 17888), (2236, 12968), (3242, 8944), (4472, 6484)]