1288508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 2469600

約数和(自身を除く): 1181092

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 349, 698, 923, 1396, 1846, 3692, 4537, 9074, 18148, 24779, 49558, 99116, 322127, 644254, 1288508]

約数ペア:

[(1, 1288508), (2, 644254), (4, 322127), (13, 99116), (26, 49558), (52, 24779), (71, 18148), (142, 9074), (284, 4537), (349, 3692), (698, 1846), (923, 1396)]