261754576

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:932

約数の個数: 80

約数和(自身を含む): 569963520

約数和(自身を除く): 308208944

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 37, 62, 68, 74, 124, 136, 148, 248, 272, 296, 496, 527, 592, 629, 839, 1054, 1147, 1258, 1678, 2108, 2294, 2516, 3356, 4216, 4588, 5032, 6712, 8432, 9176, 10064, 13424, 14263, 18352, 19499, 26009, 28526, 31043, 38998, 52018, 57052, 62086, 77996, 104036, 114104, 124172, 155992, 208072, 228208, 248344, 311984, 416144, 442153, 496688, 527731, 884306, 962333, 1055462, 1768612, 1924666, 2110924, 3537224, 3849332, 4221848, 7074448, 7698664, 8443696, 15397328, 16359661, 32719322, 65438644, 130877288, 261754576]

約数ペア:

[(1, 261754576), (2, 130877288), (4, 65438644), (8, 32719322), (16, 16359661), (17, 15397328), (31, 8443696), (34, 7698664), (37, 7074448), (62, 4221848), (68, 3849332), (74, 3537224), (124, 2110924), (136, 1924666), (148, 1768612), (248, 1055462), (272, 962333), (296, 884306), (496, 527731), (527, 496688), (592, 442153), (629, 416144), (839, 311984), (1054, 248344), (1147, 228208), (1258, 208072), (1678, 155992), (2108, 124172), (2294, 114104), (2516, 104036), (3356, 77996), (4216, 62086), (4588, 57052), (5032, 52018), (6712, 38998), (8432, 31043), (9176, 28526), (10064, 26009), (13424, 19499), (14263, 18352)]