71050072

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 143676000

約数和(自身を除く): 72625928

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 136, 158, 289, 316, 389, 578, 632, 778, 1156, 1343, 1556, 2312, 2686, 3112, 5372, 6613, 10744, 13226, 22831, 26452, 30731, 45662, 52904, 61462, 91324, 112421, 122924, 182648, 224842, 245848, 449684, 522427, 899368, 1044854, 2089708, 4179416, 8881259, 17762518, 35525036, 71050072]

約数ペア:

[(1, 71050072), (2, 35525036), (4, 17762518), (8, 8881259), (17, 4179416), (34, 2089708), (68, 1044854), (79, 899368), (136, 522427), (158, 449684), (289, 245848), (316, 224842), (389, 182648), (578, 122924), (632, 112421), (778, 91324), (1156, 61462), (1343, 52904), (1556, 45662), (2312, 30731), (2686, 26452), (3112, 22831), (5372, 13226), (6613, 10744)]