28406770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{57973}}^1$

素因数の和:57994

約数の個数: 24

約数和(自身を含む): 59481324

約数和(自身を除く): 31074554

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 57973, 115946, 289865, 405811, 579730, 811622, 2029055, 2840677, 4058110, 5681354, 14203385, 28406770]

約数ペア:

[(1, 28406770), (2, 14203385), (5, 5681354), (7, 4058110), (10, 2840677), (14, 2029055), (35, 811622), (49, 579730), (70, 405811), (98, 289865), (245, 115946), (490, 57973)]