28058004

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{359}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 77051520

約数和(自身を除く): 48993516

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 167, 234, 334, 359, 468, 501, 668, 718, 1002, 1077, 1436, 1503, 2004, 2154, 2171, 3006, 3231, 4308, 4342, 4667, 6012, 6462, 6513, 8684, 9334, 12924, 13026, 14001, 18668, 19539, 26052, 28002, 39078, 42003, 56004, 59953, 78156, 84006, 119906, 168012, 179859, 239812, 359718, 539577, 719436, 779389, 1079154, 1558778, 2158308, 2338167, 3117556, 4676334, 7014501, 9352668, 14029002, 28058004]

約数ペア:

[(1, 28058004), (2, 14029002), (3, 9352668), (4, 7014501), (6, 4676334), (9, 3117556), (12, 2338167), (13, 2158308), (18, 1558778), (26, 1079154), (36, 779389), (39, 719436), (52, 539577), (78, 359718), (117, 239812), (156, 179859), (167, 168012), (234, 119906), (334, 84006), (359, 78156), (468, 59953), (501, 56004), (668, 42003), (718, 39078), (1002, 28002), (1077, 26052), (1436, 19539), (1503, 18668), (2004, 14001), (2154, 13026), (2171, 12924), (3006, 9334), (3231, 8684), (4308, 6513), (4342, 6462), (4667, 6012)]