90866524

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 188285440

約数和(自身を除く): 97418916

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 139, 148, 259, 278, 518, 556, 631, 973, 1036, 1262, 1946, 2524, 3892, 4417, 5143, 8834, 10286, 17668, 20572, 23347, 36001, 46694, 72002, 87709, 93388, 144004, 163429, 175418, 326858, 350836, 613963, 653716, 1227926, 2455852, 3245233, 6490466, 12980932, 22716631, 45433262, 90866524]

約数ペア:

[(1, 90866524), (2, 45433262), (4, 22716631), (7, 12980932), (14, 6490466), (28, 3245233), (37, 2455852), (74, 1227926), (139, 653716), (148, 613963), (259, 350836), (278, 326858), (518, 175418), (556, 163429), (631, 144004), (973, 93388), (1036, 87709), (1262, 72002), (1946, 46694), (2524, 36001), (3892, 23347), (4417, 20572), (5143, 17668), (8834, 10286)]