81667952

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{487}}^1$

素因数の和:765

約数の個数: 40

約数和(自身を含む): 162656256

約数和(自身を除く): 80988304

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 223, 376, 446, 487, 752, 892, 974, 1784, 1948, 3568, 3896, 7792, 10481, 20962, 22889, 41924, 45778, 83848, 91556, 108601, 167696, 183112, 217202, 366224, 434404, 868808, 1737616, 5104247, 10208494, 20416988, 40833976, 81667952]

約数ペア:

[(1, 81667952), (2, 40833976), (4, 20416988), (8, 10208494), (16, 5104247), (47, 1737616), (94, 868808), (188, 434404), (223, 366224), (376, 217202), (446, 183112), (487, 167696), (752, 108601), (892, 91556), (974, 83848), (1784, 45778), (1948, 41924), (3568, 22889), (3896, 20962), (7792, 10481)]