28091336

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 66286080

約数和(自身を除く): 38194744

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 47, 52, 56, 91, 94, 104, 182, 188, 329, 364, 376, 611, 658, 728, 821, 1222, 1316, 1642, 2444, 2632, 3284, 4277, 4888, 5747, 6568, 8554, 10673, 11494, 17108, 21346, 22988, 34216, 38587, 42692, 45976, 74711, 77174, 85384, 149422, 154348, 270109, 298844, 308696, 501631, 540218, 597688, 1003262, 1080436, 2006524, 2160872, 3511417, 4013048, 7022834, 14045668, 28091336]

約数ペア:

[(1, 28091336), (2, 14045668), (4, 7022834), (7, 4013048), (8, 3511417), (13, 2160872), (14, 2006524), (26, 1080436), (28, 1003262), (47, 597688), (52, 540218), (56, 501631), (91, 308696), (94, 298844), (104, 270109), (182, 154348), (188, 149422), (329, 85384), (364, 77174), (376, 74711), (611, 45976), (658, 42692), (728, 38587), (821, 34216), (1222, 22988), (1316, 21346), (1642, 17108), (2444, 11494), (2632, 10673), (3284, 8554), (4277, 6568), (4888, 5747)]