66980264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 140797440

約数和(自身を除く): 73817176

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 71, 94, 104, 142, 188, 193, 284, 376, 386, 568, 611, 772, 923, 1222, 1544, 1846, 2444, 2509, 3337, 3692, 4888, 5018, 6674, 7384, 9071, 10036, 13348, 13703, 18142, 20072, 26696, 27406, 36284, 43381, 54812, 72568, 86762, 109624, 117923, 173524, 178139, 235846, 347048, 356278, 471692, 644041, 712556, 943384, 1288082, 1425112, 2576164, 5152328, 8372533, 16745066, 33490132, 66980264]

約数ペア:

[(1, 66980264), (2, 33490132), (4, 16745066), (8, 8372533), (13, 5152328), (26, 2576164), (47, 1425112), (52, 1288082), (71, 943384), (94, 712556), (104, 644041), (142, 471692), (188, 356278), (193, 347048), (284, 235846), (376, 178139), (386, 173524), (568, 117923), (611, 109624), (772, 86762), (923, 72568), (1222, 54812), (1544, 43381), (1846, 36284), (2444, 27406), (2509, 26696), (3337, 20072), (3692, 18142), (4888, 13703), (5018, 13348), (6674, 10036), (7384, 9071)]