64654928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1907}}^1$

素因数の和:2091

約数の個数: 40

約数和(自身を含む): 135803808

約数和(自身を除く): 71148880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 208, 326, 652, 1304, 1907, 2119, 2608, 3814, 4238, 7628, 8476, 15256, 16952, 24791, 30512, 33904, 49582, 99164, 198328, 310841, 396656, 621682, 1243364, 2486728, 4040933, 4973456, 8081866, 16163732, 32327464, 64654928]

約数ペア:

[(1, 64654928), (2, 32327464), (4, 16163732), (8, 8081866), (13, 4973456), (16, 4040933), (26, 2486728), (52, 1243364), (104, 621682), (163, 396656), (208, 310841), (326, 198328), (652, 99164), (1304, 49582), (1907, 33904), (2119, 30512), (2608, 24791), (3814, 16952), (4238, 15256), (7628, 8476)]