31081492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 62359360

約数和(自身を除く): 31277868

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 163, 193, 247, 326, 386, 494, 652, 772, 988, 2119, 2509, 3097, 3667, 4238, 5018, 6194, 7334, 8476, 10036, 12388, 14668, 31459, 40261, 47671, 62918, 80522, 95342, 125836, 161044, 190684, 408967, 597721, 817934, 1195442, 1635868, 2390884, 7770373, 15540746, 31081492]

約数ペア:

[(1, 31081492), (2, 15540746), (4, 7770373), (13, 2390884), (19, 1635868), (26, 1195442), (38, 817934), (52, 597721), (76, 408967), (163, 190684), (193, 161044), (247, 125836), (326, 95342), (386, 80522), (494, 62918), (652, 47671), (772, 40261), (988, 31459), (2119, 14668), (2509, 12388), (3097, 10036), (3667, 8476), (4238, 7334), (5018, 6194)]