81907048

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 168428160

約数和(自身を除く): 86521112

約数列:

[1, 2, 4, 8, 23, 37, 46, 53, 74, 92, 106, 148, 184, 212, 227, 296, 424, 454, 851, 908, 1219, 1702, 1816, 1961, 2438, 3404, 3922, 4876, 5221, 6808, 7844, 8399, 9752, 10442, 12031, 15688, 16798, 20884, 24062, 33596, 41768, 45103, 48124, 67192, 90206, 96248, 180412, 193177, 276713, 360824, 386354, 445147, 553426, 772708, 890294, 1106852, 1545416, 1780588, 2213704, 3561176, 10238381, 20476762, 40953524, 81907048]

約数ペア:

[(1, 81907048), (2, 40953524), (4, 20476762), (8, 10238381), (23, 3561176), (37, 2213704), (46, 1780588), (53, 1545416), (74, 1106852), (92, 890294), (106, 772708), (148, 553426), (184, 445147), (212, 386354), (227, 360824), (296, 276713), (424, 193177), (454, 180412), (851, 96248), (908, 90206), (1219, 67192), (1702, 48124), (1816, 45103), (1961, 41768), (2438, 33596), (3404, 24062), (3922, 20884), (4876, 16798), (5221, 15688), (6808, 12031), (7844, 10442), (8399, 9752)]