221350456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{23873}}^1$

素因数の和:23959

約数の個数: 32

約数和(自身を含む): 444056400

約数和(自身を除く): 222705944

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2318, 4636, 9272, 23873, 47746, 95492, 190984, 453587, 907174, 1456253, 1814348, 2912506, 3628696, 5825012, 11650024, 27668807, 55337614, 110675228, 221350456]

約数ペア:

[(1, 221350456), (2, 110675228), (4, 55337614), (8, 27668807), (19, 11650024), (38, 5825012), (61, 3628696), (76, 2912506), (122, 1814348), (152, 1456253), (244, 907174), (488, 453587), (1159, 190984), (2318, 95492), (4636, 47746), (9272, 23873)]