138171553

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 162444800

約数和(自身を除く): 24273247

約数列:

[1, 13, 19, 73, 79, 97, 247, 949, 1027, 1261, 1387, 1501, 1843, 5767, 7081, 7663, 18031, 19513, 23959, 74971, 92053, 99619, 109573, 134539, 145597, 559399, 1424449, 1749007, 1892761, 7272187, 10628581, 138171553]

約数ペア:

[(1, 138171553), (13, 10628581), (19, 7272187), (73, 1892761), (79, 1749007), (97, 1424449), (247, 559399), (949, 145597), (1027, 134539), (1261, 109573), (1387, 99619), (1501, 92053), (1843, 74971), (5767, 23959), (7081, 19513), (7663, 18031)]