215516312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{21673}}^1$

素因数の和:21803

約数の個数: 32

約数和(自身を含む): 444750480

約数和(自身を除く): 229234168

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 226, 452, 904, 1243, 2486, 4972, 9944, 21673, 43346, 86692, 173384, 238403, 476806, 953612, 1907224, 2449049, 4898098, 9796196, 19592392, 26939539, 53879078, 107758156, 215516312]

約数ペア:

[(1, 215516312), (2, 107758156), (4, 53879078), (8, 26939539), (11, 19592392), (22, 9796196), (44, 4898098), (88, 2449049), (113, 1907224), (226, 953612), (452, 476806), (904, 238403), (1243, 173384), (2486, 86692), (4972, 43346), (9944, 21673)]