251566686

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{12401}}^1$

素因数の和:12446

約数の個数: 72

約数和(自身を含む): 661671504

約数和(自身を除く): 410104818

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 49, 63, 69, 98, 126, 138, 147, 161, 207, 294, 322, 414, 441, 483, 882, 966, 1127, 1449, 2254, 2898, 3381, 6762, 10143, 12401, 20286, 24802, 37203, 74406, 86807, 111609, 173614, 223218, 260421, 285223, 520842, 570446, 607649, 781263, 855669, 1215298, 1562526, 1711338, 1822947, 1996561, 2567007, 3645894, 3993122, 5134014, 5468841, 5989683, 10937682, 11979366, 13975927, 17969049, 27951854, 35938098, 41927781, 83855562, 125783343, 251566686]

約数ペア:

[(1, 251566686), (2, 125783343), (3, 83855562), (6, 41927781), (7, 35938098), (9, 27951854), (14, 17969049), (18, 13975927), (21, 11979366), (23, 10937682), (42, 5989683), (46, 5468841), (49, 5134014), (63, 3993122), (69, 3645894), (98, 2567007), (126, 1996561), (138, 1822947), (147, 1711338), (161, 1562526), (207, 1215298), (294, 855669), (322, 781263), (414, 607649), (441, 570446), (483, 520842), (882, 285223), (966, 260421), (1127, 223218), (1449, 173614), (2254, 111609), (2898, 86807), (3381, 74406), (6762, 37203), (10143, 24802), (12401, 20286)]