1277776552

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{769}}^1\times {\mathrm{1229}}^1$

素因数の和:2030

約数の個数: 48

約数和(自身を含む): 2599789500

約数和(自身を除く): 1322012948

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 769, 1229, 1352, 1538, 2458, 3076, 4916, 6152, 9832, 9997, 15977, 19994, 31954, 39988, 63908, 79976, 127816, 129961, 207701, 259922, 415402, 519844, 830804, 945101, 1039688, 1661608, 1890202, 3780404, 7560808, 12286313, 24572626, 49145252, 98290504, 159722069, 319444138, 638888276, 1277776552]

約数ペア:

[(1, 1277776552), (2, 638888276), (4, 319444138), (8, 159722069), (13, 98290504), (26, 49145252), (52, 24572626), (104, 12286313), (169, 7560808), (338, 3780404), (676, 1890202), (769, 1661608), (1229, 1039688), (1352, 945101), (1538, 830804), (2458, 519844), (3076, 415402), (4916, 259922), (6152, 207701), (9832, 129961), (9997, 127816), (15977, 79976), (19994, 63908), (31954, 39988)]