3905890

素因数分解:

$2^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{631}}^1$

素因数の和:1257

約数の個数: 16

約数和(自身を含む): 7053120

約数和(自身を除く): 3147230

約数列:

[1, 2, 5, 10, 619, 631, 1238, 1262, 3095, 3155, 6190, 6310, 390589, 781178, 1952945, 3905890]

約数ペア:

[(1, 3905890), (2, 1952945), (5, 781178), (10, 390589), (619, 6310), (631, 6190), (1238, 3155), (1262, 3095)]