128918608

素因数分解:

$2^4\times 7^3\times {\mathrm{13}}^2\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 120

約数和(自身を含む): 317688000

約数和(自身を除く): 188769392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 139, 169, 182, 196, 208, 278, 338, 343, 364, 392, 556, 637, 676, 686, 728, 784, 973, 1112, 1183, 1274, 1352, 1372, 1456, 1807, 1946, 2224, 2366, 2548, 2704, 2744, 3614, 3892, 4459, 4732, 5096, 5488, 6811, 7228, 7784, 8281, 8918, 9464, 10192, 12649, 13622, 14456, 15568, 16562, 17836, 18928, 23491, 25298, 27244, 28912, 33124, 35672, 46982, 47677, 50596, 54488, 57967, 66248, 71344, 88543, 93964, 95354, 101192, 108976, 115934, 132496, 164437, 177086, 187928, 190708, 202384, 231868, 328874, 354172, 375856, 381416, 463736, 619801, 657748, 708344, 762832, 927472, 1151059, 1239602, 1315496, 1416688, 2302118, 2479204, 2630992, 4604236, 4958408, 8057413, 9208472, 9916816, 16114826, 18416944, 32229652, 64459304, 128918608]

約数ペア:

[(1, 128918608), (2, 64459304), (4, 32229652), (7, 18416944), (8, 16114826), (13, 9916816), (14, 9208472), (16, 8057413), (26, 4958408), (28, 4604236), (49, 2630992), (52, 2479204), (56, 2302118), (91, 1416688), (98, 1315496), (104, 1239602), (112, 1151059), (139, 927472), (169, 762832), (182, 708344), (196, 657748), (208, 619801), (278, 463736), (338, 381416), (343, 375856), (364, 354172), (392, 328874), (556, 231868), (637, 202384), (676, 190708), (686, 187928), (728, 177086), (784, 164437), (973, 132496), (1112, 115934), (1183, 108976), (1274, 101192), (1352, 95354), (1372, 93964), (1456, 88543), (1807, 71344), (1946, 66248), (2224, 57967), (2366, 54488), (2548, 50596), (2704, 47677), (2744, 46982), (3614, 35672), (3892, 33124), (4459, 28912), (4732, 27244), (5096, 25298), (5488, 23491), (6811, 18928), (7228, 17836), (7784, 16562), (8281, 15568), (8918, 14456), (9464, 13622), (10192, 12649)]