289314568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 597957120

約数和(自身を除く): 308642552

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 163, 248, 326, 421, 527, 652, 842, 1054, 1304, 1684, 2108, 2771, 3368, 4216, 5053, 5542, 7157, 10106, 11084, 13051, 14314, 20212, 22168, 26102, 28628, 40424, 52204, 57256, 68623, 85901, 104408, 137246, 171802, 221867, 274492, 343604, 443734, 548984, 687208, 887468, 1166591, 1774936, 2127313, 2333182, 4254626, 4666364, 8509252, 9332728, 17018504, 36164321, 72328642, 144657284, 289314568]

約数ペア:

[(1, 289314568), (2, 144657284), (4, 72328642), (8, 36164321), (17, 17018504), (31, 9332728), (34, 8509252), (62, 4666364), (68, 4254626), (124, 2333182), (136, 2127313), (163, 1774936), (248, 1166591), (326, 887468), (421, 687208), (527, 548984), (652, 443734), (842, 343604), (1054, 274492), (1304, 221867), (1684, 171802), (2108, 137246), (2771, 104408), (3368, 85901), (4216, 68623), (5053, 57256), (5542, 52204), (7157, 40424), (10106, 28628), (11084, 26102), (13051, 22168), (14314, 20212)]