205414524

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1993}}^1$

素因数の和:2419

約数の個数: 72

約数和(自身を含む): 595169120

約数和(自身を除く): 389754596

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 409, 818, 1227, 1636, 1993, 2454, 2863, 3681, 3986, 4908, 5726, 5979, 7362, 7972, 8589, 11452, 11958, 13951, 14724, 17178, 17937, 23916, 25767, 27902, 34356, 35874, 41853, 51534, 55804, 71748, 83706, 103068, 125559, 167412, 251118, 502236, 815137, 1630274, 2445411, 3260548, 4890822, 5705959, 7336233, 9781644, 11411918, 14672466, 17117877, 22823836, 29344932, 34235754, 51353631, 68471508, 102707262, 205414524]

約数ペア:

[(1, 205414524), (2, 102707262), (3, 68471508), (4, 51353631), (6, 34235754), (7, 29344932), (9, 22823836), (12, 17117877), (14, 14672466), (18, 11411918), (21, 9781644), (28, 7336233), (36, 5705959), (42, 4890822), (63, 3260548), (84, 2445411), (126, 1630274), (252, 815137), (409, 502236), (818, 251118), (1227, 167412), (1636, 125559), (1993, 103068), (2454, 83706), (2863, 71748), (3681, 55804), (3986, 51534), (4908, 41853), (5726, 35874), (5979, 34356), (7362, 27902), (7972, 25767), (8589, 23916), (11452, 17937), (11958, 17178), (13951, 14724)]