81728416

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:878

約数の個数: 96

約数和(自身を含む): 205752960

約数和(自身を除く): 124024544

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 41, 44, 56, 77, 82, 88, 112, 154, 164, 176, 224, 287, 308, 328, 352, 451, 574, 616, 656, 809, 902, 1148, 1232, 1312, 1618, 1804, 2296, 2464, 3157, 3236, 3608, 4592, 5663, 6314, 6472, 7216, 8899, 9184, 11326, 12628, 12944, 14432, 17798, 22652, 25256, 25888, 33169, 35596, 45304, 50512, 62293, 66338, 71192, 90608, 101024, 124586, 132676, 142384, 181216, 232183, 249172, 265352, 284768, 364859, 464366, 498344, 530704, 729718, 928732, 996688, 1061408, 1459436, 1857464, 1993376, 2554013, 2918872, 3714928, 5108026, 5837744, 7429856, 10216052, 11675488, 20432104, 40864208, 81728416]

約数ペア:

[(1, 81728416), (2, 40864208), (4, 20432104), (7, 11675488), (8, 10216052), (11, 7429856), (14, 5837744), (16, 5108026), (22, 3714928), (28, 2918872), (32, 2554013), (41, 1993376), (44, 1857464), (56, 1459436), (77, 1061408), (82, 996688), (88, 928732), (112, 729718), (154, 530704), (164, 498344), (176, 464366), (224, 364859), (287, 284768), (308, 265352), (328, 249172), (352, 232183), (451, 181216), (574, 142384), (616, 132676), (656, 124586), (809, 101024), (902, 90608), (1148, 71192), (1232, 66338), (1312, 62293), (1618, 50512), (1804, 45304), (2296, 35596), (2464, 33169), (3157, 25888), (3236, 25256), (3608, 22652), (4592, 17798), (5663, 14432), (6314, 12944), (6472, 12628), (7216, 11326), (8899, 9184)]