397883988

素因数分解:

$2^2\times 3^4\times {\mathrm{43}}^1\times {\mathrm{28559}}^1$

素因数の和:28618

約数の個数: 60

約数和(自身を含む): 1064374080

約数和(自身を除く): 666490092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 258, 324, 387, 516, 774, 1161, 1548, 2322, 3483, 4644, 6966, 13932, 28559, 57118, 85677, 114236, 171354, 257031, 342708, 514062, 771093, 1028124, 1228037, 1542186, 2313279, 2456074, 3084372, 3684111, 4626558, 4912148, 7368222, 9253116, 11052333, 14736444, 22104666, 33156999, 44209332, 66313998, 99470997, 132627996, 198941994, 397883988]

約数ペア:

[(1, 397883988), (2, 198941994), (3, 132627996), (4, 99470997), (6, 66313998), (9, 44209332), (12, 33156999), (18, 22104666), (27, 14736444), (36, 11052333), (43, 9253116), (54, 7368222), (81, 4912148), (86, 4626558), (108, 3684111), (129, 3084372), (162, 2456074), (172, 2313279), (258, 1542186), (324, 1228037), (387, 1028124), (516, 771093), (774, 514062), (1161, 342708), (1548, 257031), (2322, 171354), (3483, 114236), (4644, 85677), (6966, 57118), (13932, 28559)]