245403756

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{19421}}^1$

素因数の和:19453

約数の個数: 72

約数和(自身を含む): 692821584

約数和(自身を除く): 447417828

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 2106, 3159, 4212, 6318, 12636, 19421, 38842, 58263, 77684, 116526, 174789, 233052, 252473, 349578, 504946, 524367, 699156, 757419, 1009892, 1048734, 1514838, 1573101, 2097468, 2272257, 3029676, 3146202, 4544514, 4719303, 6292404, 6816771, 9089028, 9438606, 13633542, 18877212, 20450313, 27267084, 40900626, 61350939, 81801252, 122701878, 245403756]

約数ペア:

[(1, 245403756), (2, 122701878), (3, 81801252), (4, 61350939), (6, 40900626), (9, 27267084), (12, 20450313), (13, 18877212), (18, 13633542), (26, 9438606), (27, 9089028), (36, 6816771), (39, 6292404), (52, 4719303), (54, 4544514), (78, 3146202), (81, 3029676), (108, 2272257), (117, 2097468), (156, 1573101), (162, 1514838), (234, 1048734), (243, 1009892), (324, 757419), (351, 699156), (468, 524367), (486, 504946), (702, 349578), (972, 252473), (1053, 233052), (1404, 174789), (2106, 116526), (3159, 77684), (4212, 58263), (6318, 38842), (12636, 19421)]