78931216

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2357}}^1$

素因数の和:2408

約数の個数: 80

約数和(自身を含む): 196487424

約数和(自身を除く): 117556208

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 46, 52, 56, 91, 92, 104, 112, 161, 182, 184, 208, 299, 322, 364, 368, 598, 644, 728, 1196, 1288, 1456, 2093, 2357, 2392, 2576, 4186, 4714, 4784, 8372, 9428, 16499, 16744, 18856, 30641, 32998, 33488, 37712, 54211, 61282, 65996, 108422, 122564, 131992, 214487, 216844, 245128, 263984, 379477, 428974, 433688, 490256, 704743, 758954, 857948, 867376, 1409486, 1517908, 1715896, 2818972, 3035816, 3431792, 4933201, 5637944, 6071632, 9866402, 11275888, 19732804, 39465608, 78931216]

約数ペア:

[(1, 78931216), (2, 39465608), (4, 19732804), (7, 11275888), (8, 9866402), (13, 6071632), (14, 5637944), (16, 4933201), (23, 3431792), (26, 3035816), (28, 2818972), (46, 1715896), (52, 1517908), (56, 1409486), (91, 867376), (92, 857948), (104, 758954), (112, 704743), (161, 490256), (182, 433688), (184, 428974), (208, 379477), (299, 263984), (322, 245128), (364, 216844), (368, 214487), (598, 131992), (644, 122564), (728, 108422), (1196, 65996), (1288, 61282), (1456, 54211), (2093, 37712), (2357, 33488), (2392, 32998), (2576, 30641), (4186, 18856), (4714, 16744), (4784, 16499), (8372, 9428)]