25722808

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 28190792

約数列:

[1, 2, 4, 8, 19, 31, 38, 53, 62, 76, 103, 106, 124, 152, 206, 212, 248, 412, 424, 589, 824, 1007, 1178, 1643, 1957, 2014, 2356, 3193, 3286, 3914, 4028, 4712, 5459, 6386, 6572, 7828, 8056, 10918, 12772, 13144, 15656, 21836, 25544, 31217, 43672, 60667, 62434, 103721, 121334, 124868, 169229, 207442, 242668, 249736, 338458, 414884, 485336, 676916, 829768, 1353832, 3215351, 6430702, 12861404, 25722808]

約数ペア:

[(1, 25722808), (2, 12861404), (4, 6430702), (8, 3215351), (19, 1353832), (31, 829768), (38, 676916), (53, 485336), (62, 414884), (76, 338458), (103, 249736), (106, 242668), (124, 207442), (152, 169229), (206, 124868), (212, 121334), (248, 103721), (412, 62434), (424, 60667), (589, 43672), (824, 31217), (1007, 25544), (1178, 21836), (1643, 15656), (1957, 13144), (2014, 12772), (2356, 10918), (3193, 8056), (3286, 7828), (3914, 6572), (4028, 6386), (4712, 5459)]