549180190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{136273}}^1$

素因数の和:136324

約数の個数: 32

約数和(自身を含む): 1098913536

約数和(自身を除く): 549733346

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 136273, 272546, 681365, 1362730, 1771549, 3543098, 4224463, 8448926, 8857745, 17715490, 21122315, 42244630, 54918019, 109836038, 274590095, 549180190]

約数ペア:

[(1, 549180190), (2, 274590095), (5, 109836038), (10, 54918019), (13, 42244630), (26, 21122315), (31, 17715490), (62, 8857745), (65, 8448926), (130, 4224463), (155, 3543098), (310, 1771549), (403, 1362730), (806, 681365), (2015, 272546), (4030, 136273)]