64139288

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{739}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 126984000

約数和(自身を除く): 62844712

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 571, 739, 1142, 1478, 2284, 2956, 4568, 5912, 10849, 14041, 21698, 28082, 43396, 56164, 86792, 112328, 421969, 843938, 1687876, 3375752, 8017411, 16034822, 32069644, 64139288]

約数ペア:

[(1, 64139288), (2, 32069644), (4, 16034822), (8, 8017411), (19, 3375752), (38, 1687876), (76, 843938), (152, 421969), (571, 112328), (739, 86792), (1142, 56164), (1478, 43396), (2284, 28082), (2956, 21698), (4568, 14041), (5912, 10849)]