639826152

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{5923}}^1$

素因数の和:6582

約数の個数: 64

約数和(自身を含む): 1831226880

約数和(自身を除く): 1191400728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 643, 1286, 1929, 2572, 3858, 4501, 5144, 5923, 7716, 9002, 11846, 13503, 15432, 17769, 18004, 23692, 27006, 35538, 36008, 41461, 47384, 54012, 71076, 82922, 108024, 124383, 142152, 165844, 248766, 331688, 497532, 995064, 3808489, 7616978, 11425467, 15233956, 22850934, 26659423, 30467912, 45701868, 53318846, 79978269, 91403736, 106637692, 159956538, 213275384, 319913076, 639826152]

約数ペア:

[(1, 639826152), (2, 319913076), (3, 213275384), (4, 159956538), (6, 106637692), (7, 91403736), (8, 79978269), (12, 53318846), (14, 45701868), (21, 30467912), (24, 26659423), (28, 22850934), (42, 15233956), (56, 11425467), (84, 7616978), (168, 3808489), (643, 995064), (1286, 497532), (1929, 331688), (2572, 248766), (3858, 165844), (4501, 142152), (5144, 124383), (5923, 108024), (7716, 82922), (9002, 71076), (11846, 54012), (13503, 47384), (15432, 41461), (17769, 36008), (18004, 35538), (23692, 27006)]