28360410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72719}}^1$

素因数の和:72742

約数の個数: 32

約数和(自身を含む): 73301760

約数和(自身を除く): 44941350

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 72719, 145438, 218157, 363595, 436314, 727190, 945347, 1090785, 1890694, 2181570, 2836041, 4726735, 5672082, 9453470, 14180205, 28360410]

約数ペア:

[(1, 28360410), (2, 14180205), (3, 9453470), (5, 5672082), (6, 4726735), (10, 2836041), (13, 2181570), (15, 1890694), (26, 1090785), (30, 945347), (39, 727190), (65, 436314), (78, 363595), (130, 218157), (195, 145438), (390, 72719)]