28693860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36787}}^1$

素因数の和:36812

約数の個数: 48

約数和(自身を含む): 86525376

約数和(自身を除く): 57831516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 36787, 73574, 110361, 147148, 183935, 220722, 367870, 441444, 478231, 551805, 735740, 956462, 1103610, 1434693, 1912924, 2207220, 2391155, 2869386, 4782310, 5738772, 7173465, 9564620, 14346930, 28693860]

約数ペア:

[(1, 28693860), (2, 14346930), (3, 9564620), (4, 7173465), (5, 5738772), (6, 4782310), (10, 2869386), (12, 2391155), (13, 2207220), (15, 1912924), (20, 1434693), (26, 1103610), (30, 956462), (39, 735740), (52, 551805), (60, 478231), (65, 441444), (78, 367870), (130, 220722), (156, 183935), (195, 147148), (260, 110361), (390, 73574), (780, 36787)]