220952872

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127277}}^1$

素因数の和:127321

約数の個数: 32

約数和(自身を含む): 488747520

約数和(自身を除く): 267794648

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 127277, 254554, 509108, 890939, 1018216, 1781878, 3563756, 3945587, 7127512, 7891174, 15782348, 27619109, 31564696, 55238218, 110476436, 220952872]

約数ペア:

[(1, 220952872), (2, 110476436), (4, 55238218), (7, 31564696), (8, 27619109), (14, 15782348), (28, 7891174), (31, 7127512), (56, 3945587), (62, 3563756), (124, 1781878), (217, 1018216), (248, 890939), (434, 509108), (868, 254554), (1736, 127277)]