28410970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{405871}}^1$

素因数の和:405885

約数の個数: 16

約数和(自身を含む): 58445568

約数和(自身を除く): 30034598

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 405871, 811742, 2029355, 2841097, 4058710, 5682194, 14205485, 28410970]

約数ペア:

[(1, 28410970), (2, 14205485), (5, 5682194), (7, 4058710), (10, 2841097), (14, 2029355), (35, 811742), (70, 405871)]