72267448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 155520000

約数和(自身を除く): 83252552

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 59, 62, 88, 118, 124, 236, 248, 341, 449, 472, 649, 682, 898, 1298, 1364, 1796, 1829, 2596, 2728, 3592, 3658, 4939, 5192, 7316, 9878, 13919, 14632, 19756, 20119, 26491, 27838, 39512, 40238, 52982, 55676, 80476, 105964, 111352, 153109, 160952, 211928, 291401, 306218, 582802, 612436, 821221, 1165604, 1224872, 1642442, 2331208, 3284884, 6569768, 9033431, 18066862, 36133724, 72267448]

約数ペア:

[(1, 72267448), (2, 36133724), (4, 18066862), (8, 9033431), (11, 6569768), (22, 3284884), (31, 2331208), (44, 1642442), (59, 1224872), (62, 1165604), (88, 821221), (118, 612436), (124, 582802), (236, 306218), (248, 291401), (341, 211928), (449, 160952), (472, 153109), (649, 111352), (682, 105964), (898, 80476), (1298, 55676), (1364, 52982), (1796, 40238), (1829, 39512), (2596, 27838), (2728, 26491), (3592, 20119), (3658, 19756), (4939, 14632), (5192, 13919), (7316, 9878)]