28751190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73721}}^1$

素因数の和:73744

約数の個数: 32

約数和(自身を含む): 74311776

約数和(自身を除く): 45560586

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 73721, 147442, 221163, 368605, 442326, 737210, 958373, 1105815, 1916746, 2211630, 2875119, 4791865, 5750238, 9583730, 14375595, 28751190]

約数ペア:

[(1, 28751190), (2, 14375595), (3, 9583730), (5, 5750238), (6, 4791865), (10, 2875119), (13, 2211630), (15, 1916746), (26, 1105815), (30, 958373), (39, 737210), (65, 442326), (78, 368605), (130, 221163), (195, 147442), (390, 73721)]