81744364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1039}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 165110400

約数和(自身を除く): 83366036

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 89, 178, 221, 356, 442, 884, 1039, 1157, 1513, 2078, 2314, 3026, 4156, 4628, 6052, 13507, 17663, 19669, 27014, 35326, 39338, 54028, 70652, 78676, 92471, 184942, 229619, 369884, 459238, 918476, 1202123, 1572007, 2404246, 3144014, 4808492, 6288028, 20436091, 40872182, 81744364]

約数ペア:

[(1, 81744364), (2, 40872182), (4, 20436091), (13, 6288028), (17, 4808492), (26, 3144014), (34, 2404246), (52, 1572007), (68, 1202123), (89, 918476), (178, 459238), (221, 369884), (356, 229619), (442, 184942), (884, 92471), (1039, 78676), (1157, 70652), (1513, 54028), (2078, 39338), (2314, 35326), (3026, 27014), (4156, 19669), (4628, 17663), (6052, 13507)]