216976578

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1511}}^1$

素因数の和:1799

約数の個数: 64

約数和(自身を含む): 536481792

約数和(自身を除く): 319505214

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 263, 273, 526, 546, 789, 1511, 1578, 1841, 3022, 3419, 3682, 4533, 5523, 6838, 9066, 10257, 10577, 11046, 19643, 20514, 21154, 23933, 31731, 39286, 47866, 58929, 63462, 71799, 117858, 137501, 143598, 275002, 397393, 412503, 794786, 825006, 1192179, 2384358, 2781751, 5166109, 5563502, 8345253, 10332218, 15498327, 16690506, 30996654, 36162763, 72325526, 108488289, 216976578]

約数ペア:

[(1, 216976578), (2, 108488289), (3, 72325526), (6, 36162763), (7, 30996654), (13, 16690506), (14, 15498327), (21, 10332218), (26, 8345253), (39, 5563502), (42, 5166109), (78, 2781751), (91, 2384358), (182, 1192179), (263, 825006), (273, 794786), (526, 412503), (546, 397393), (789, 275002), (1511, 143598), (1578, 137501), (1841, 117858), (3022, 71799), (3419, 63462), (3682, 58929), (4533, 47866), (5523, 39286), (6838, 31731), (9066, 23933), (10257, 21154), (10577, 20514), (11046, 19643)]