81029416

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{821}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 166972860

約数和(自身を除く): 85943444

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 169, 292, 338, 584, 676, 821, 949, 1352, 1642, 1898, 3284, 3796, 6568, 7592, 10673, 12337, 21346, 24674, 42692, 49348, 59933, 85384, 98696, 119866, 138749, 239732, 277498, 479464, 554996, 779129, 1109992, 1558258, 3116516, 6233032, 10128677, 20257354, 40514708, 81029416]

約数ペア:

[(1, 81029416), (2, 40514708), (4, 20257354), (8, 10128677), (13, 6233032), (26, 3116516), (52, 1558258), (73, 1109992), (104, 779129), (146, 554996), (169, 479464), (292, 277498), (338, 239732), (584, 138749), (676, 119866), (821, 98696), (949, 85384), (1352, 59933), (1642, 49348), (1898, 42692), (3284, 24674), (3796, 21346), (6568, 12337), (7592, 10673)]