1640757890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9651517}}^1$

素因数の和:9651541

約数の個数: 16

約数和(自身を含む): 3127091832

約数和(自身を除く): 1486333942

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 9651517, 19303034, 48257585, 96515170, 164075789, 328151578, 820378945, 1640757890]

約数ペア:

[(1, 1640757890), (2, 820378945), (5, 328151578), (10, 164075789), (17, 96515170), (34, 48257585), (85, 19303034), (170, 9651517)]