28900788

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2137}}^1$

素因数の和:2181

約数の個数: 72

約数和(自身を含む): 81893952

約数和(自身を除く): 52993164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 49, 69, 84, 92, 98, 138, 147, 161, 196, 276, 294, 322, 483, 588, 644, 966, 1127, 1932, 2137, 2254, 3381, 4274, 4508, 6411, 6762, 8548, 12822, 13524, 14959, 25644, 29918, 44877, 49151, 59836, 89754, 98302, 104713, 147453, 179508, 196604, 209426, 294906, 314139, 344057, 418852, 589812, 628278, 688114, 1032171, 1256556, 1376228, 2064342, 2408399, 4128684, 4816798, 7225197, 9633596, 14450394, 28900788]

約数ペア:

[(1, 28900788), (2, 14450394), (3, 9633596), (4, 7225197), (6, 4816798), (7, 4128684), (12, 2408399), (14, 2064342), (21, 1376228), (23, 1256556), (28, 1032171), (42, 688114), (46, 628278), (49, 589812), (69, 418852), (84, 344057), (92, 314139), (98, 294906), (138, 209426), (147, 196604), (161, 179508), (196, 147453), (276, 104713), (294, 98302), (322, 89754), (483, 59836), (588, 49151), (644, 44877), (966, 29918), (1127, 25644), (1932, 14959), (2137, 13524), (2254, 12822), (3381, 8548), (4274, 6762), (4508, 6411)]