90171872

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21187}}^1$

素因数の和:21223

約数の個数: 48

約数和(自身を含む): 213575040

約数和(自身を除く): 123403168

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 21187, 42374, 84748, 148309, 169496, 296618, 338992, 402553, 593236, 677984, 805106, 1186472, 1610212, 2372944, 2817871, 3220424, 4745888, 5635742, 6440848, 11271484, 12881696, 22542968, 45085936, 90171872]

約数ペア:

[(1, 90171872), (2, 45085936), (4, 22542968), (7, 12881696), (8, 11271484), (14, 6440848), (16, 5635742), (19, 4745888), (28, 3220424), (32, 2817871), (38, 2372944), (56, 1610212), (76, 1186472), (112, 805106), (133, 677984), (152, 593236), (224, 402553), (266, 338992), (304, 296618), (532, 169496), (608, 148309), (1064, 84748), (2128, 42374), (4256, 21187)]