81059888

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55673}}^1$

素因数の和:55701

約数の個数: 40

約数和(自身を含む): 193300128

約数和(自身を除く): 112240240

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 55673, 111346, 222692, 389711, 445384, 723749, 779422, 890768, 1447498, 1558844, 2894996, 3117688, 5066243, 5789992, 6235376, 10132486, 11579984, 20264972, 40529944, 81059888]

約数ペア:

[(1, 81059888), (2, 40529944), (4, 20264972), (7, 11579984), (8, 10132486), (13, 6235376), (14, 5789992), (16, 5066243), (26, 3117688), (28, 2894996), (52, 1558844), (56, 1447498), (91, 890768), (104, 779422), (112, 723749), (182, 445384), (208, 389711), (364, 222692), (728, 111346), (1456, 55673)]