180708668

素因数分解:

$2^2\times 7^2\times {\mathrm{821}}^1\times {\mathrm{1123}}^1$

素因数の和:1962

約数の個数: 36

約数和(自身を含む): 368647272

約数和(自身を除く): 187938604

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 821, 1123, 1642, 2246, 3284, 4492, 5747, 7861, 11494, 15722, 22988, 31444, 40229, 55027, 80458, 110054, 160916, 220108, 921983, 1843966, 3687932, 6453881, 12907762, 25815524, 45177167, 90354334, 180708668]

約数ペア:

[(1, 180708668), (2, 90354334), (4, 45177167), (7, 25815524), (14, 12907762), (28, 6453881), (49, 3687932), (98, 1843966), (196, 921983), (821, 220108), (1123, 160916), (1642, 110054), (2246, 80458), (3284, 55027), (4492, 40229), (5747, 31444), (7861, 22988), (11494, 15722)]