256808216

素因数分解:

$2^3\times 7^3\times {\mathrm{31}}^1\times {\mathrm{3019}}^1$

素因数の和:3077

約数の個数: 64

約数和(自身を含む): 579840000

約数和(自身を除く): 323031784

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 343, 392, 434, 686, 868, 1372, 1519, 1736, 2744, 3019, 3038, 6038, 6076, 10633, 12076, 12152, 21133, 21266, 24152, 42266, 42532, 84532, 85064, 93589, 147931, 169064, 187178, 295862, 374356, 591724, 655123, 748712, 1035517, 1183448, 1310246, 2071034, 2620492, 4142068, 4585861, 5240984, 8284136, 9171722, 18343444, 32101027, 36686888, 64202054, 128404108, 256808216]

約数ペア:

[(1, 256808216), (2, 128404108), (4, 64202054), (7, 36686888), (8, 32101027), (14, 18343444), (28, 9171722), (31, 8284136), (49, 5240984), (56, 4585861), (62, 4142068), (98, 2620492), (124, 2071034), (196, 1310246), (217, 1183448), (248, 1035517), (343, 748712), (392, 655123), (434, 591724), (686, 374356), (868, 295862), (1372, 187178), (1519, 169064), (1736, 147931), (2744, 93589), (3019, 85064), (3038, 84532), (6038, 42532), (6076, 42266), (10633, 24152), (12076, 21266), (12152, 21133)]