81489044

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1061}}^1$

素因数の和:1296

約数の個数: 48

約数和(自身を含む): 176512896

約数和(自身を除く): 95023852

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 211, 364, 422, 844, 1061, 1477, 2122, 2743, 2954, 4244, 5486, 5908, 7427, 10972, 13793, 14854, 19201, 27586, 29708, 38402, 55172, 76804, 96551, 193102, 223871, 386204, 447742, 895484, 1567097, 2910323, 3134194, 5820646, 6268388, 11641292, 20372261, 40744522, 81489044]

約数ペア:

[(1, 81489044), (2, 40744522), (4, 20372261), (7, 11641292), (13, 6268388), (14, 5820646), (26, 3134194), (28, 2910323), (52, 1567097), (91, 895484), (182, 447742), (211, 386204), (364, 223871), (422, 193102), (844, 96551), (1061, 76804), (1477, 55172), (2122, 38402), (2743, 29708), (2954, 27586), (4244, 19201), (5486, 14854), (5908, 13793), (7427, 10972)]