15999256

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21977}}^1$

素因数の和:22003

約数の個数: 32

約数和(自身を含む): 36923040

約数和(自身を除く): 20923784

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 21977, 43954, 87908, 153839, 175816, 285701, 307678, 571402, 615356, 1142804, 1230712, 1999907, 2285608, 3999814, 7999628, 15999256]

約数ペア:

[(1, 15999256), (2, 7999628), (4, 3999814), (7, 2285608), (8, 1999907), (13, 1230712), (14, 1142804), (26, 615356), (28, 571402), (52, 307678), (56, 285701), (91, 175816), (104, 153839), (182, 87908), (364, 43954), (728, 21977)]