261736267

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{751}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 318366720

約数和(自身を除く): 56630453

約数列:

[1, 13, 17, 19, 83, 221, 247, 323, 751, 1079, 1411, 1577, 4199, 9763, 12767, 14269, 18343, 20501, 26809, 62333, 165971, 185497, 242573, 348517, 810329, 1059661, 1184327, 3153449, 13775593, 15396251, 20133559, 261736267]

約数ペア:

[(1, 261736267), (13, 20133559), (17, 15396251), (19, 13775593), (83, 3153449), (221, 1184327), (247, 1059661), (323, 810329), (751, 348517), (1079, 242573), (1411, 185497), (1577, 165971), (4199, 62333), (9763, 26809), (12767, 20501), (14269, 18343)]