71428676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2064

約数の個数: 48

約数和(自身を含む): 146952960

約数和(自身を除く): 75524284

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 172, 209, 418, 473, 817, 836, 946, 1634, 1892, 1987, 3268, 3974, 7948, 8987, 17974, 21857, 35948, 37753, 43714, 75506, 85441, 87428, 151012, 170882, 341764, 415283, 830566, 939851, 1623379, 1661132, 1879702, 3246758, 3759404, 6493516, 17857169, 35714338, 71428676]

約数ペア:

[(1, 71428676), (2, 35714338), (4, 17857169), (11, 6493516), (19, 3759404), (22, 3246758), (38, 1879702), (43, 1661132), (44, 1623379), (76, 939851), (86, 830566), (172, 415283), (209, 341764), (418, 170882), (473, 151012), (817, 87428), (836, 85441), (946, 75506), (1634, 43714), (1892, 37753), (1987, 35948), (3268, 21857), (3974, 17974), (7948, 8987)]