1640464516

素因数分解:

$2^2\times {\mathrm{659}}^1\times {\mathrm{622331}}^1$

素因数の和:622994

約数の個数: 12

約数和(自身を含む): 2875173840

約数和(自身を除く): 1234709324

約数列:

[1, 2, 4, 659, 1318, 2636, 622331, 1244662, 2489324, 410116129, 820232258, 1640464516]

約数ペア:

[(1, 1640464516), (2, 820232258), (4, 410116129), (659, 2489324), (1318, 1244662), (2636, 622331)]