72668312

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1229}}^1$

素因数の和:1643

約数の個数: 32

約数和(自身を含む): 143910000

約数和(自身を除く): 71241688

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 389, 778, 1229, 1556, 2458, 3112, 4916, 7391, 9832, 14782, 23351, 29564, 46702, 59128, 93404, 186808, 478081, 956162, 1912324, 3824648, 9083539, 18167078, 36334156, 72668312]

約数ペア:

[(1, 72668312), (2, 36334156), (4, 18167078), (8, 9083539), (19, 3824648), (38, 1912324), (76, 956162), (152, 478081), (389, 186808), (778, 93404), (1229, 59128), (1556, 46702), (2458, 29564), (3112, 23351), (4916, 14782), (7391, 9832)]