864231718

素因数分解:

$2^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 1575936000

約数和(自身を除く): 711704282

約数列:

[1, 2, 7, 14, 37, 49, 74, 79, 98, 158, 259, 343, 431, 518, 553, 686, 862, 1106, 1813, 2923, 3017, 3626, 3871, 5846, 6034, 7742, 12691, 15947, 20461, 21119, 25382, 27097, 31894, 34049, 40922, 42238, 54194, 68098, 111629, 143227, 147833, 223258, 238343, 286454, 295666, 476686, 781403, 1002589, 1259813, 1562806, 1668401, 2005178, 2519626, 3336802, 5469821, 8818691, 10939642, 11678807, 17637382, 23357614, 61730837, 123461674, 432115859, 864231718]

約数ペア:

[(1, 864231718), (2, 432115859), (7, 123461674), (14, 61730837), (37, 23357614), (49, 17637382), (74, 11678807), (79, 10939642), (98, 8818691), (158, 5469821), (259, 3336802), (343, 2519626), (431, 2005178), (518, 1668401), (553, 1562806), (686, 1259813), (862, 1002589), (1106, 781403), (1813, 476686), (2923, 295666), (3017, 286454), (3626, 238343), (3871, 223258), (5846, 147833), (6034, 143227), (7742, 111629), (12691, 68098), (15947, 54194), (20461, 42238), (21119, 40922), (25382, 34049), (27097, 31894)]