247171756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2687}}^1$

素因数の和:2794

約数の個数: 48

約数和(自身を含む): 489968640

約数和(自身を除く): 242796884

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 61, 116, 122, 244, 377, 754, 793, 1508, 1586, 1769, 2687, 3172, 3538, 5374, 7076, 10748, 22997, 34931, 45994, 69862, 77923, 91988, 139724, 155846, 163907, 311692, 327814, 655628, 1012999, 2025998, 2130791, 4051996, 4261582, 4753303, 8523164, 9506606, 19013212, 61792939, 123585878, 247171756]

約数ペア:

[(1, 247171756), (2, 123585878), (4, 61792939), (13, 19013212), (26, 9506606), (29, 8523164), (52, 4753303), (58, 4261582), (61, 4051996), (116, 2130791), (122, 2025998), (244, 1012999), (377, 655628), (754, 327814), (793, 311692), (1508, 163907), (1586, 155846), (1769, 139724), (2687, 91988), (3172, 77923), (3538, 69862), (5374, 45994), (7076, 34931), (10748, 22997)]