64987664

素因数分解:

$2^4\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1447}}^1$

素因数の和:1863

約数の個数: 40

約数和(自身を含む): 144359808

約数和(自身を除く): 79372144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 401, 802, 1447, 1604, 2807, 2894, 3208, 5614, 5788, 6416, 10129, 11228, 11576, 20258, 22456, 23152, 40516, 44912, 81032, 162064, 580247, 1160494, 2320988, 4061729, 4641976, 8123458, 9283952, 16246916, 32493832, 64987664]

約数ペア:

[(1, 64987664), (2, 32493832), (4, 16246916), (7, 9283952), (8, 8123458), (14, 4641976), (16, 4061729), (28, 2320988), (56, 1160494), (112, 580247), (401, 162064), (802, 81032), (1447, 44912), (1604, 40516), (2807, 23152), (2894, 22456), (3208, 20258), (5614, 11576), (5788, 11228), (6416, 10129)]