31572008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 67858560

約数和(自身を除く): 36286552

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 67, 92, 104, 134, 184, 197, 268, 299, 394, 536, 598, 788, 871, 1196, 1541, 1576, 1742, 2392, 2561, 3082, 3484, 4531, 5122, 6164, 6968, 9062, 10244, 12328, 13199, 18124, 20033, 20488, 26398, 36248, 40066, 52796, 58903, 80132, 105592, 117806, 160264, 171587, 235612, 303577, 343174, 471224, 607154, 686348, 1214308, 1372696, 2428616, 3946501, 7893002, 15786004, 31572008]

約数ペア:

[(1, 31572008), (2, 15786004), (4, 7893002), (8, 3946501), (13, 2428616), (23, 1372696), (26, 1214308), (46, 686348), (52, 607154), (67, 471224), (92, 343174), (104, 303577), (134, 235612), (184, 171587), (197, 160264), (268, 117806), (299, 105592), (394, 80132), (536, 58903), (598, 52796), (788, 40066), (871, 36248), (1196, 26398), (1541, 20488), (1576, 20033), (1742, 18124), (2392, 13199), (2561, 12328), (3082, 10244), (3484, 9062), (4531, 6968), (5122, 6164)]