331316984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{7757}}^1$

素因数の和:8063

約数の個数: 32

約数和(自身を含む): 656326800

約数和(自身を除く): 325009816

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 281, 562, 1124, 2248, 5339, 7757, 10678, 15514, 21356, 31028, 42712, 62056, 147383, 294766, 589532, 1179064, 2179717, 4359434, 8718868, 17437736, 41414623, 82829246, 165658492, 331316984]

約数ペア:

[(1, 331316984), (2, 165658492), (4, 82829246), (8, 41414623), (19, 17437736), (38, 8718868), (76, 4359434), (152, 2179717), (281, 1179064), (562, 589532), (1124, 294766), (2248, 147383), (5339, 62056), (7757, 42712), (10678, 31028), (15514, 21356)]