28490868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{677}}^1$

素因数の和:861

約数の個数: 72

約数和(自身を含む): 82922112

約数和(自身を除く): 54431244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 167, 252, 334, 501, 668, 677, 1002, 1169, 1354, 1503, 2004, 2031, 2338, 2708, 3006, 3507, 4062, 4676, 4739, 6012, 6093, 7014, 8124, 9478, 10521, 12186, 14028, 14217, 18956, 21042, 24372, 28434, 42084, 42651, 56868, 85302, 113059, 170604, 226118, 339177, 452236, 678354, 791413, 1017531, 1356708, 1582826, 2035062, 2374239, 3165652, 4070124, 4748478, 7122717, 9496956, 14245434, 28490868]

約数ペア:

[(1, 28490868), (2, 14245434), (3, 9496956), (4, 7122717), (6, 4748478), (7, 4070124), (9, 3165652), (12, 2374239), (14, 2035062), (18, 1582826), (21, 1356708), (28, 1017531), (36, 791413), (42, 678354), (63, 452236), (84, 339177), (126, 226118), (167, 170604), (252, 113059), (334, 85302), (501, 56868), (668, 42651), (677, 42084), (1002, 28434), (1169, 24372), (1354, 21042), (1503, 18956), (2004, 14217), (2031, 14028), (2338, 12186), (2708, 10521), (3006, 9478), (3507, 8124), (4062, 7014), (4676, 6093), (4739, 6012)]