28404978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{23321}}^1$

素因数の和:23362

約数の個数: 32

約数和(自身を含む): 67167360

約数和(自身を除く): 38762382

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 23321, 46642, 69963, 139926, 163247, 326494, 489741, 676309, 979482, 1352618, 2028927, 4057854, 4734163, 9468326, 14202489, 28404978]

約数ペア:

[(1, 28404978), (2, 14202489), (3, 9468326), (6, 4734163), (7, 4057854), (14, 2028927), (21, 1352618), (29, 979482), (42, 676309), (58, 489741), (87, 326494), (174, 163247), (203, 139926), (406, 69963), (609, 46642), (1218, 23321)]