290438382

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:853

約数の個数: 64

約数和(自身を含む): 647567424

約数和(自身を除く): 357129042

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 157, 222, 314, 471, 481, 641, 942, 962, 1282, 1443, 1923, 2041, 2886, 3846, 4082, 5809, 6123, 8333, 11618, 12246, 16666, 17427, 23717, 24999, 34854, 47434, 49998, 71151, 75517, 100637, 142302, 151034, 201274, 226551, 301911, 308321, 453102, 603822, 616642, 924963, 1308281, 1849926, 2616562, 3723569, 3924843, 7447138, 7849686, 11170707, 22341414, 48406397, 96812794, 145219191, 290438382]

約数ペア:

[(1, 290438382), (2, 145219191), (3, 96812794), (6, 48406397), (13, 22341414), (26, 11170707), (37, 7849686), (39, 7447138), (74, 3924843), (78, 3723569), (111, 2616562), (157, 1849926), (222, 1308281), (314, 924963), (471, 616642), (481, 603822), (641, 453102), (942, 308321), (962, 301911), (1282, 226551), (1443, 201274), (1923, 151034), (2041, 142302), (2886, 100637), (3846, 75517), (4082, 71151), (5809, 49998), (6123, 47434), (8333, 34854), (11618, 24999), (12246, 23717), (16666, 17427)]