980321888

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{336649}}^1$

素因数の和:336679

約数の個数: 48

約数和(自身を含む): 2375402400

約数和(自身を除く): 1395080512

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 336649, 673298, 1346596, 2356543, 2693192, 4376437, 4713086, 5386384, 8752874, 9426172, 10772768, 17505748, 18852344, 30635059, 35011496, 37704688, 61270118, 70022992, 75409376, 122540236, 140045984, 245080472, 490160944, 980321888]

約数ペア:

[(1, 980321888), (2, 490160944), (4, 245080472), (7, 140045984), (8, 122540236), (13, 75409376), (14, 70022992), (16, 61270118), (26, 37704688), (28, 35011496), (32, 30635059), (52, 18852344), (56, 17505748), (91, 10772768), (104, 9426172), (112, 8752874), (182, 5386384), (208, 4713086), (224, 4376437), (364, 2693192), (416, 2356543), (728, 1346596), (1456, 673298), (2912, 336649)]