25900028

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 59122224

約数和(自身を除く): 33222196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 49, 77, 82, 98, 154, 164, 196, 287, 293, 308, 451, 539, 574, 586, 902, 1078, 1148, 1172, 1804, 2009, 2051, 2156, 3157, 3223, 4018, 4102, 6314, 6446, 8036, 8204, 12013, 12628, 12892, 14357, 22099, 22561, 24026, 28714, 44198, 45122, 48052, 57428, 84091, 88396, 90244, 132143, 157927, 168182, 264286, 315854, 336364, 528572, 588637, 631708, 925001, 1177274, 1850002, 2354548, 3700004, 6475007, 12950014, 25900028]

約数ペア:

[(1, 25900028), (2, 12950014), (4, 6475007), (7, 3700004), (11, 2354548), (14, 1850002), (22, 1177274), (28, 925001), (41, 631708), (44, 588637), (49, 528572), (77, 336364), (82, 315854), (98, 264286), (154, 168182), (164, 157927), (196, 132143), (287, 90244), (293, 88396), (308, 84091), (451, 57428), (539, 48052), (574, 45122), (586, 44198), (902, 28714), (1078, 24026), (1148, 22561), (1172, 22099), (1804, 14357), (2009, 12892), (2051, 12628), (2156, 12013), (3157, 8204), (3223, 8036), (4018, 6446), (4102, 6314)]