1640473990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9649847}}^1$

素因数の和:9649871

約数の個数: 16

約数和(自身を含む): 3126550752

約数和(自身を除く): 1486076762

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 9649847, 19299694, 48249235, 96498470, 164047399, 328094798, 820236995, 1640473990]

約数ペア:

[(1, 1640473990), (2, 820236995), (5, 328094798), (10, 164047399), (17, 96498470), (34, 48249235), (85, 19299694), (170, 9649847)]