86278270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 175472640

約数和(自身を除く): 89194370

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 79, 130, 155, 158, 271, 310, 395, 403, 542, 790, 806, 1027, 1355, 2015, 2054, 2449, 2710, 3523, 4030, 4898, 5135, 7046, 8401, 10270, 12245, 16802, 17615, 21409, 24490, 31837, 35230, 42005, 42818, 63674, 84010, 107045, 109213, 159185, 214090, 218426, 278317, 318370, 546065, 556634, 663679, 1092130, 1327358, 1391585, 2783170, 3318395, 6636790, 8627827, 17255654, 43139135, 86278270]

約数ペア:

[(1, 86278270), (2, 43139135), (5, 17255654), (10, 8627827), (13, 6636790), (26, 3318395), (31, 2783170), (62, 1391585), (65, 1327358), (79, 1092130), (130, 663679), (155, 556634), (158, 546065), (271, 318370), (310, 278317), (395, 218426), (403, 214090), (542, 159185), (790, 109213), (806, 107045), (1027, 84010), (1355, 63674), (2015, 42818), (2054, 42005), (2449, 35230), (2710, 31837), (3523, 24490), (4030, 21409), (4898, 17615), (5135, 16802), (7046, 12245), (8401, 10270)]