128512979

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{503}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 165473280

約数和(自身を除く): 36960301

約数列:

[1, 7, 17, 19, 113, 119, 133, 323, 503, 791, 1921, 2147, 2261, 3521, 8551, 9557, 13447, 15029, 36499, 56839, 59857, 66899, 162469, 255493, 397873, 966263, 1079941, 1137283, 6763841, 7559587, 18358997, 128512979]

約数ペア:

[(1, 128512979), (7, 18358997), (17, 7559587), (19, 6763841), (113, 1137283), (119, 1079941), (133, 966263), (323, 397873), (503, 255493), (791, 162469), (1921, 66899), (2147, 59857), (2261, 56839), (3521, 36499), (8551, 15029), (9557, 13447)]