645862968

素因数分解:

$2^3\times 3^2\times {\mathrm{8970319}}^1$

素因数の和:8970331

約数の個数: 24

約数和(自身を含む): 1749212400

約数和(自身を除く): 1103349432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 8970319, 17940638, 26910957, 35881276, 53821914, 71762552, 80732871, 107643828, 161465742, 215287656, 322931484, 645862968]

約数ペア:

[(1, 645862968), (2, 322931484), (3, 215287656), (4, 161465742), (6, 107643828), (8, 80732871), (9, 71762552), (12, 53821914), (18, 35881276), (24, 26910957), (36, 17940638), (72, 8970319)]