28806518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 48559392

約数和(自身を除く): 19752874

約数列:

[1, 2, 13, 26, 41, 61, 82, 122, 443, 533, 793, 886, 1066, 1586, 2501, 5002, 5759, 11518, 18163, 27023, 32513, 36326, 54046, 65026, 236119, 351299, 472238, 702598, 1107943, 2215886, 14403259, 28806518]

約数ペア:

[(1, 28806518), (2, 14403259), (13, 2215886), (26, 1107943), (41, 702598), (61, 472238), (82, 351299), (122, 236119), (443, 65026), (533, 54046), (793, 36326), (886, 32513), (1066, 27023), (1586, 18163), (2501, 11518), (5002, 5759)]