38728116

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:821

約数の個数: 72

約数和(自身を含む): 112467264

約数和(自身を除く): 73739148

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 313, 491, 626, 939, 982, 1252, 1473, 1878, 1964, 2191, 2817, 2946, 3437, 3756, 4382, 4419, 5634, 5892, 6573, 6874, 8764, 8838, 10311, 11268, 13146, 13748, 17676, 19719, 20622, 26292, 30933, 39438, 41244, 61866, 78876, 123732, 153683, 307366, 461049, 614732, 922098, 1075781, 1383147, 1844196, 2151562, 2766294, 3227343, 4303124, 5532588, 6454686, 9682029, 12909372, 19364058, 38728116]

約数ペア:

[(1, 38728116), (2, 19364058), (3, 12909372), (4, 9682029), (6, 6454686), (7, 5532588), (9, 4303124), (12, 3227343), (14, 2766294), (18, 2151562), (21, 1844196), (28, 1383147), (36, 1075781), (42, 922098), (63, 614732), (84, 461049), (126, 307366), (252, 153683), (313, 123732), (491, 78876), (626, 61866), (939, 41244), (982, 39438), (1252, 30933), (1473, 26292), (1878, 20622), (1964, 19719), (2191, 17676), (2817, 13748), (2946, 13146), (3437, 11268), (3756, 10311), (4382, 8838), (4419, 8764), (5634, 6874), (5892, 6573)]