25553502

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 61992000

約数和(自身を除く): 36438498

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 89, 117, 178, 234, 267, 351, 409, 534, 702, 801, 818, 1157, 1227, 1602, 2314, 2403, 2454, 3471, 3681, 4806, 5317, 6942, 7362, 10413, 10634, 11043, 15951, 20826, 22086, 31239, 31902, 36401, 47853, 62478, 72802, 95706, 109203, 143559, 218406, 287118, 327609, 473213, 655218, 946426, 982827, 1419639, 1965654, 2839278, 4258917, 8517834, 12776751, 25553502]

約数ペア:

[(1, 25553502), (2, 12776751), (3, 8517834), (6, 4258917), (9, 2839278), (13, 1965654), (18, 1419639), (26, 982827), (27, 946426), (39, 655218), (54, 473213), (78, 327609), (89, 287118), (117, 218406), (178, 143559), (234, 109203), (267, 95706), (351, 72802), (409, 62478), (534, 47853), (702, 36401), (801, 31902), (818, 31239), (1157, 22086), (1227, 20826), (1602, 15951), (2314, 11043), (2403, 10634), (2454, 10413), (3471, 7362), (3681, 6942), (4806, 5317)]