28783430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221411}}^1$

素因数の和:221431

約数の個数: 16

約数和(自身を含む): 55795824

約数和(自身を除く): 27012394

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 221411, 442822, 1107055, 2214110, 2878343, 5756686, 14391715, 28783430]

約数ペア:

[(1, 28783430), (2, 14391715), (5, 5756686), (10, 2878343), (13, 2214110), (26, 1107055), (65, 442822), (130, 221411)]