81029908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 155760640

約数和(自身を除く): 74730732

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 163, 211, 326, 422, 589, 652, 844, 1178, 2356, 3097, 4009, 5053, 6194, 6541, 8018, 10106, 12388, 13082, 16036, 20212, 26164, 34393, 68786, 96007, 124279, 137572, 192014, 248558, 384028, 497116, 653467, 1066183, 1306934, 2132366, 2613868, 4264732, 20257477, 40514954, 81029908]

約数ペア:

[(1, 81029908), (2, 40514954), (4, 20257477), (19, 4264732), (31, 2613868), (38, 2132366), (62, 1306934), (76, 1066183), (124, 653467), (163, 497116), (211, 384028), (326, 248558), (422, 192014), (589, 137572), (652, 124279), (844, 96007), (1178, 68786), (2356, 34393), (3097, 26164), (4009, 20212), (5053, 16036), (6194, 13082), (6541, 12388), (8018, 10106)]