128530972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{2741}}^1$

素因数の和:3381

約数の個数: 24

約数和(自身を含む): 237237840

約数和(自身を除く): 108706868

約数列:

[1, 2, 4, 19, 38, 76, 617, 1234, 2468, 2741, 5482, 10964, 11723, 23446, 46892, 52079, 104158, 208316, 1691197, 3382394, 6764788, 32132743, 64265486, 128530972]

約数ペア:

[(1, 128530972), (2, 64265486), (4, 32132743), (19, 6764788), (38, 3382394), (76, 1691197), (617, 208316), (1234, 104158), (2468, 52079), (2741, 46892), (5482, 23446), (10964, 11723)]