39997736

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{673}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 87350400

約数和(自身を除く): 47352664

約数列:

[1, 2, 4, 8, 17, 19, 23, 34, 38, 46, 68, 76, 92, 136, 152, 184, 323, 391, 437, 646, 673, 782, 874, 1292, 1346, 1564, 1748, 2584, 2692, 3128, 3496, 5384, 7429, 11441, 12787, 14858, 15479, 22882, 25574, 29716, 30958, 45764, 51148, 59432, 61916, 91528, 102296, 123832, 217379, 263143, 294101, 434758, 526286, 588202, 869516, 1052572, 1176404, 1739032, 2105144, 2352808, 4999717, 9999434, 19998868, 39997736]

約数ペア:

[(1, 39997736), (2, 19998868), (4, 9999434), (8, 4999717), (17, 2352808), (19, 2105144), (23, 1739032), (34, 1176404), (38, 1052572), (46, 869516), (68, 588202), (76, 526286), (92, 434758), (136, 294101), (152, 263143), (184, 217379), (323, 123832), (391, 102296), (437, 91528), (646, 61916), (673, 59432), (782, 51148), (874, 45764), (1292, 30958), (1346, 29716), (1564, 25574), (1748, 22882), (2584, 15479), (2692, 14858), (3128, 12787), (3496, 11441), (5384, 7429)]