189493888

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:833

約数の個数: 64

約数和(自身を含む): 396576000

約数和(自身を除く): 207082112

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 71, 116, 128, 142, 232, 284, 464, 568, 719, 928, 1136, 1438, 1856, 2059, 2272, 2876, 3712, 4118, 4544, 5752, 8236, 9088, 11504, 16472, 20851, 23008, 32944, 41702, 46016, 51049, 65888, 83404, 92032, 102098, 131776, 166808, 204196, 263552, 333616, 408392, 667232, 816784, 1334464, 1480421, 1633568, 2668928, 2960842, 3267136, 5921684, 6534272, 11843368, 23686736, 47373472, 94746944, 189493888]

約数ペア:

[(1, 189493888), (2, 94746944), (4, 47373472), (8, 23686736), (16, 11843368), (29, 6534272), (32, 5921684), (58, 3267136), (64, 2960842), (71, 2668928), (116, 1633568), (128, 1480421), (142, 1334464), (232, 816784), (284, 667232), (464, 408392), (568, 333616), (719, 263552), (928, 204196), (1136, 166808), (1438, 131776), (1856, 102098), (2059, 92032), (2272, 83404), (2876, 65888), (3712, 51049), (4118, 46016), (4544, 41702), (5752, 32944), (8236, 23008), (9088, 20851), (11504, 16472)]