81509516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{337}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 163537920

約数和(自身を除く): 82028404

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 239, 253, 337, 478, 506, 674, 956, 1012, 1348, 2629, 3707, 5258, 5497, 7414, 7751, 10516, 10994, 14828, 15502, 21988, 31004, 60467, 80543, 85261, 120934, 161086, 170522, 241868, 322172, 341044, 885973, 1771946, 1852489, 3543892, 3704978, 7409956, 20377379, 40754758, 81509516]

約数ペア:

[(1, 81509516), (2, 40754758), (4, 20377379), (11, 7409956), (22, 3704978), (23, 3543892), (44, 1852489), (46, 1771946), (92, 885973), (239, 341044), (253, 322172), (337, 241868), (478, 170522), (506, 161086), (674, 120934), (956, 85261), (1012, 80543), (1348, 60467), (2629, 31004), (3707, 21988), (5258, 15502), (5497, 14828), (7414, 10994), (7751, 10516)]