81819478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101513}}^1$

素因数の和:101559

約数の個数: 16

約数和(自身を含む): 136434816

約数和(自身を除く): 54615338

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 101513, 203026, 1319669, 2639338, 3146903, 6293806, 40909739, 81819478]

約数ペア:

[(1, 81819478), (2, 40909739), (13, 6293806), (26, 3146903), (31, 2639338), (62, 1319669), (403, 203026), (806, 101513)]