28779946

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 25652054

約数列:

[1, 2, 13, 17, 19, 23, 26, 34, 38, 46, 149, 221, 247, 298, 299, 323, 391, 437, 442, 494, 598, 646, 782, 874, 1937, 2533, 2831, 3427, 3874, 4199, 5066, 5083, 5662, 5681, 6854, 7429, 8398, 10166, 11362, 14858, 32929, 36803, 44551, 48127, 58259, 65113, 65858, 73606, 89102, 96254, 96577, 116518, 130226, 193154, 625651, 757367, 846469, 1106921, 1251302, 1514734, 1692938, 2213842, 14389973, 28779946]

約数ペア:

[(1, 28779946), (2, 14389973), (13, 2213842), (17, 1692938), (19, 1514734), (23, 1251302), (26, 1106921), (34, 846469), (38, 757367), (46, 625651), (149, 193154), (221, 130226), (247, 116518), (298, 96577), (299, 96254), (323, 89102), (391, 73606), (437, 65858), (442, 65113), (494, 58259), (598, 48127), (646, 44551), (782, 36803), (874, 32929), (1937, 14858), (2533, 11362), (2831, 10166), (3427, 8398), (3874, 7429), (4199, 6854), (5066, 5681), (5083, 5662)]