28031458

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 27126302

約数列:

[1, 2, 7, 13, 14, 26, 29, 47, 58, 91, 94, 113, 182, 203, 226, 329, 377, 406, 611, 658, 754, 791, 1222, 1363, 1469, 1582, 2639, 2726, 2938, 3277, 4277, 5278, 5311, 6554, 8554, 9541, 10283, 10622, 17719, 19082, 20566, 22939, 35438, 37177, 42601, 45878, 69043, 74354, 85202, 124033, 138086, 154019, 248066, 298207, 308038, 483301, 596414, 966602, 1078133, 2002247, 2156266, 4004494, 14015729, 28031458]

約数ペア:

[(1, 28031458), (2, 14015729), (7, 4004494), (13, 2156266), (14, 2002247), (26, 1078133), (29, 966602), (47, 596414), (58, 483301), (91, 308038), (94, 298207), (113, 248066), (182, 154019), (203, 138086), (226, 124033), (329, 85202), (377, 74354), (406, 69043), (611, 45878), (658, 42601), (754, 37177), (791, 35438), (1222, 22939), (1363, 20566), (1469, 19082), (1582, 17719), (2639, 10622), (2726, 10283), (2938, 9541), (3277, 8554), (4277, 6554), (5278, 5311)]