221661296

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{7517}}^1$

素因数の和:7641

約数の個数: 40

約数和(自身を含む): 456793680

約数和(自身を除く): 235132384

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 97, 152, 194, 304, 388, 776, 1552, 1843, 3686, 7372, 7517, 14744, 15034, 29488, 30068, 60136, 120272, 142823, 285646, 571292, 729149, 1142584, 1458298, 2285168, 2916596, 5833192, 11666384, 13853831, 27707662, 55415324, 110830648, 221661296]

約数ペア:

[(1, 221661296), (2, 110830648), (4, 55415324), (8, 27707662), (16, 13853831), (19, 11666384), (38, 5833192), (76, 2916596), (97, 2285168), (152, 1458298), (194, 1142584), (304, 729149), (388, 571292), (776, 285646), (1552, 142823), (1843, 120272), (3686, 60136), (7372, 30068), (7517, 29488), (14744, 15034)]