209213316

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1093}}^1$

素因数の和:1525

約数の個数: 72

約数和(自身を含む): 571439960

約数和(自身を除く): 362226644

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 409, 468, 818, 1093, 1227, 1636, 2186, 2454, 3279, 3681, 4372, 4908, 5317, 6558, 7362, 9837, 10634, 13116, 14209, 14724, 15951, 19674, 21268, 28418, 31902, 39348, 42627, 47853, 56836, 63804, 85254, 95706, 127881, 170508, 191412, 255762, 447037, 511524, 894074, 1341111, 1788148, 2682222, 4023333, 5364444, 5811481, 8046666, 11622962, 16093332, 17434443, 23245924, 34868886, 52303329, 69737772, 104606658, 209213316]

約数ペア:

[(1, 209213316), (2, 104606658), (3, 69737772), (4, 52303329), (6, 34868886), (9, 23245924), (12, 17434443), (13, 16093332), (18, 11622962), (26, 8046666), (36, 5811481), (39, 5364444), (52, 4023333), (78, 2682222), (117, 1788148), (156, 1341111), (234, 894074), (409, 511524), (468, 447037), (818, 255762), (1093, 191412), (1227, 170508), (1636, 127881), (2186, 95706), (2454, 85254), (3279, 63804), (3681, 56836), (4372, 47853), (4908, 42627), (5317, 39348), (6558, 31902), (7362, 28418), (9837, 21268), (10634, 19674), (13116, 15951), (14209, 14724)]