178291204

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 394148160

約数和(自身を除く): 215856956

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 167, 182, 196, 334, 364, 419, 637, 668, 838, 1169, 1274, 1676, 2171, 2338, 2548, 2933, 4342, 4676, 5447, 5866, 8183, 8684, 10894, 11732, 15197, 16366, 20531, 21788, 30394, 32732, 38129, 41062, 60788, 69973, 76258, 82124, 106379, 139946, 152516, 212758, 266903, 279892, 425516, 489811, 533806, 909649, 979622, 1067612, 1819298, 1959244, 3428677, 3638596, 6367543, 6857354, 12735086, 13714708, 25470172, 44572801, 89145602, 178291204]

約数ペア:

[(1, 178291204), (2, 89145602), (4, 44572801), (7, 25470172), (13, 13714708), (14, 12735086), (26, 6857354), (28, 6367543), (49, 3638596), (52, 3428677), (91, 1959244), (98, 1819298), (167, 1067612), (182, 979622), (196, 909649), (334, 533806), (364, 489811), (419, 425516), (637, 279892), (668, 266903), (838, 212758), (1169, 152516), (1274, 139946), (1676, 106379), (2171, 82124), (2338, 76258), (2548, 69973), (2933, 60788), (4342, 41062), (4676, 38129), (5447, 32732), (5866, 30394), (8183, 21788), (8684, 20531), (10894, 16366), (11732, 15197)]