64790684

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{121787}}^1$

素因数の和:121817

約数の個数: 24

約数和(自身を含む): 136402560

約数和(自身を除く): 71611876

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 121787, 243574, 487148, 852509, 1705018, 2313953, 3410036, 4627906, 9255812, 16197671, 32395342, 64790684]

約数ペア:

[(1, 64790684), (2, 32395342), (4, 16197671), (7, 9255812), (14, 4627906), (19, 3410036), (28, 2313953), (38, 1705018), (76, 852509), (133, 487148), (266, 243574), (532, 121787)]