1648659990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1278031}}^1$

素因数の和:1278084

約数の個数: 32

約数和(自身を含む): 4048805376

約数和(自身を除く): 2400145386

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 1278031, 2556062, 3834093, 6390155, 7668186, 12780310, 19170465, 38340930, 54955333, 109910666, 164865999, 274776665, 329731998, 549553330, 824329995, 1648659990]

約数ペア:

[(1, 1648659990), (2, 824329995), (3, 549553330), (5, 329731998), (6, 274776665), (10, 164865999), (15, 109910666), (30, 54955333), (43, 38340930), (86, 19170465), (129, 12780310), (215, 7668186), (258, 6390155), (430, 3834093), (645, 2556062), (1290, 1278031)]