280858487

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{75277}}^1$

素因数の和:75338

約数の個数: 16

約数和(自身を含む): 354107712

約数和(自身を除く): 73249225

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 75277, 526939, 978601, 3086357, 6850207, 21604499, 40122641, 280858487]

約数ペア:

[(1, 280858487), (7, 40122641), (13, 21604499), (41, 6850207), (91, 3086357), (287, 978601), (533, 526939), (3731, 75277)]