231213996

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15937}}^1$

素因数の和:15991

約数の個数: 72

約数和(自身を含む): 649760384

約数和(自身を除く): 418546388

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 15937, 31874, 47811, 63748, 95622, 143433, 191244, 207181, 286866, 414362, 494047, 573732, 621543, 828724, 988094, 1243086, 1482141, 1864629, 1976188, 2486172, 2964282, 3729258, 4446423, 5928564, 6422611, 7458516, 8892846, 12845222, 17785692, 19267833, 25690444, 38535666, 57803499, 77071332, 115606998, 231213996]

約数ペア:

[(1, 231213996), (2, 115606998), (3, 77071332), (4, 57803499), (6, 38535666), (9, 25690444), (12, 19267833), (13, 17785692), (18, 12845222), (26, 8892846), (31, 7458516), (36, 6422611), (39, 5928564), (52, 4446423), (62, 3729258), (78, 2964282), (93, 2486172), (117, 1976188), (124, 1864629), (156, 1482141), (186, 1243086), (234, 988094), (279, 828724), (372, 621543), (403, 573732), (468, 494047), (558, 414362), (806, 286866), (1116, 207181), (1209, 191244), (1612, 143433), (2418, 95622), (3627, 63748), (4836, 47811), (7254, 31874), (14508, 15937)]