91181272

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{499}}^1$

素因数の和:776

約数の個数: 64

約数和(自身を含む): 211680000

約数和(自身を除く): 120498728

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 251, 364, 499, 502, 728, 998, 1004, 1757, 1996, 2008, 3263, 3493, 3514, 3992, 6487, 6526, 6986, 7028, 12974, 13052, 13972, 14056, 22841, 25948, 26104, 27944, 45409, 45682, 51896, 90818, 91364, 125249, 181636, 182728, 250498, 363272, 500996, 876743, 1001992, 1628237, 1753486, 3256474, 3506972, 6512948, 7013944, 11397659, 13025896, 22795318, 45590636, 91181272]

約数ペア:

[(1, 91181272), (2, 45590636), (4, 22795318), (7, 13025896), (8, 11397659), (13, 7013944), (14, 6512948), (26, 3506972), (28, 3256474), (52, 1753486), (56, 1628237), (91, 1001992), (104, 876743), (182, 500996), (251, 363272), (364, 250498), (499, 182728), (502, 181636), (728, 125249), (998, 91364), (1004, 90818), (1757, 51896), (1996, 45682), (2008, 45409), (3263, 27944), (3493, 26104), (3514, 25948), (3992, 22841), (6487, 14056), (6526, 13972), (6986, 13052), (7028, 12974)]