208489386

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 488851200

約数和(自身を除く): 280361814

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 229, 318, 371, 409, 458, 687, 742, 818, 1113, 1227, 1374, 1603, 2226, 2454, 2863, 3206, 4809, 5726, 8589, 9618, 12137, 17178, 21677, 24274, 36411, 43354, 65031, 72822, 84959, 93661, 130062, 151739, 169918, 187322, 254877, 280983, 303478, 455217, 509754, 561966, 655627, 910434, 1311254, 1966881, 3933762, 4964033, 9928066, 14892099, 29784198, 34748231, 69496462, 104244693, 208489386]

約数ペア:

[(1, 208489386), (2, 104244693), (3, 69496462), (6, 34748231), (7, 29784198), (14, 14892099), (21, 9928066), (42, 4964033), (53, 3933762), (106, 1966881), (159, 1311254), (229, 910434), (318, 655627), (371, 561966), (409, 509754), (458, 455217), (687, 303478), (742, 280983), (818, 254877), (1113, 187322), (1227, 169918), (1374, 151739), (1603, 130062), (2226, 93661), (2454, 84959), (2863, 72822), (3206, 65031), (4809, 43354), (5726, 36411), (8589, 24274), (9618, 21677), (12137, 17178)]