28330770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72643}}^1$

素因数の和:72666

約数の個数: 32

約数和(自身を含む): 73225152

約数和(自身を除く): 44894382

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 72643, 145286, 217929, 363215, 435858, 726430, 944359, 1089645, 1888718, 2179290, 2833077, 4721795, 5666154, 9443590, 14165385, 28330770]

約数ペア:

[(1, 28330770), (2, 14165385), (3, 9443590), (5, 5666154), (6, 4721795), (10, 2833077), (13, 2179290), (15, 1888718), (26, 1089645), (30, 944359), (39, 726430), (65, 435858), (78, 363215), (130, 217929), (195, 145286), (390, 72643)]