31336396

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 74511360

約数和(自身を除く): 43174964

約数列:

[1, 2, 4, 7, 13, 14, 19, 23, 26, 28, 38, 46, 52, 76, 91, 92, 133, 161, 182, 197, 247, 266, 299, 322, 364, 394, 437, 494, 532, 598, 644, 788, 874, 988, 1196, 1379, 1729, 1748, 2093, 2561, 2758, 3059, 3458, 3743, 4186, 4531, 5122, 5516, 5681, 6118, 6916, 7486, 8372, 9062, 10244, 11362, 12236, 14972, 17927, 18124, 22724, 26201, 31717, 35854, 39767, 48659, 52402, 58903, 63434, 71708, 79534, 86089, 97318, 104804, 117806, 126868, 159068, 172178, 194636, 235612, 340613, 344356, 412321, 602623, 681226, 824642, 1119157, 1205246, 1362452, 1649284, 2238314, 2410492, 4476628, 7834099, 15668198, 31336396]

約数ペア:

[(1, 31336396), (2, 15668198), (4, 7834099), (7, 4476628), (13, 2410492), (14, 2238314), (19, 1649284), (23, 1362452), (26, 1205246), (28, 1119157), (38, 824642), (46, 681226), (52, 602623), (76, 412321), (91, 344356), (92, 340613), (133, 235612), (161, 194636), (182, 172178), (197, 159068), (247, 126868), (266, 117806), (299, 104804), (322, 97318), (364, 86089), (394, 79534), (437, 71708), (494, 63434), (532, 58903), (598, 52402), (644, 48659), (788, 39767), (874, 35854), (988, 31717), (1196, 26201), (1379, 22724), (1729, 18124), (1748, 17927), (2093, 14972), (2561, 12236), (2758, 11362), (3059, 10244), (3458, 9062), (3743, 8372), (4186, 7486), (4531, 6916), (5122, 6118), (5516, 5681)]