28198274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 48698496

約数和(自身を除く): 20500222

約数列:

[1, 2, 13, 17, 26, 34, 131, 221, 262, 442, 487, 974, 1703, 2227, 3406, 4454, 6331, 8279, 12662, 16558, 28951, 57902, 63797, 107627, 127594, 215254, 829361, 1084549, 1658722, 2169098, 14099137, 28198274]

約数ペア:

[(1, 28198274), (2, 14099137), (13, 2169098), (17, 1658722), (26, 1084549), (34, 829361), (131, 215254), (221, 127594), (262, 107627), (442, 63797), (487, 57902), (974, 28951), (1703, 16558), (2227, 12662), (3406, 8279), (4454, 6331)]