79821128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{2179}}^1$

素因数の和:2445

約数の個数: 32

約数和(自身を含む): 158268000

約数和(自身を除く): 78446872

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 241, 482, 964, 1928, 2179, 4358, 4579, 8716, 9158, 17432, 18316, 36632, 41401, 82802, 165604, 331208, 525139, 1050278, 2100556, 4201112, 9977641, 19955282, 39910564, 79821128]

約数ペア:

[(1, 79821128), (2, 39910564), (4, 19955282), (8, 9977641), (19, 4201112), (38, 2100556), (76, 1050278), (152, 525139), (241, 331208), (482, 165604), (964, 82802), (1928, 41401), (2179, 36632), (4358, 18316), (4579, 17432), (8716, 9158)]