138521392

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{881}}^1$

素因数の和:1237

約数の個数: 40

約数和(自身を含む): 278232192

約数和(自身を除く): 139710800

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 317, 496, 634, 881, 1268, 1762, 2536, 3524, 5072, 7048, 9827, 14096, 19654, 27311, 39308, 54622, 78616, 109244, 157232, 218488, 279277, 436976, 558554, 1117108, 2234216, 4468432, 8657587, 17315174, 34630348, 69260696, 138521392]

約数ペア:

[(1, 138521392), (2, 69260696), (4, 34630348), (8, 17315174), (16, 8657587), (31, 4468432), (62, 2234216), (124, 1117108), (248, 558554), (317, 436976), (496, 279277), (634, 218488), (881, 157232), (1268, 109244), (1762, 78616), (2536, 54622), (3524, 39308), (5072, 27311), (7048, 19654), (9827, 14096)]