1188691816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{1597}}^1$

素因数の和:2054

約数の個数: 64

約数和(自身を含む): 2549065680

約数和(自身を除く): 1360373864

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 421, 442, 842, 884, 1597, 1684, 1768, 3194, 3368, 5473, 6388, 7157, 10946, 12776, 14314, 20761, 21892, 27149, 28628, 41522, 43784, 54298, 57256, 83044, 93041, 108596, 166088, 186082, 217192, 352937, 372164, 672337, 705874, 744328, 1344674, 1411748, 2689348, 2823496, 5378696, 8740381, 11429729, 17480762, 22859458, 34961524, 45718916, 69923048, 91437832, 148586477, 297172954, 594345908, 1188691816]

約数ペア:

[(1, 1188691816), (2, 594345908), (4, 297172954), (8, 148586477), (13, 91437832), (17, 69923048), (26, 45718916), (34, 34961524), (52, 22859458), (68, 17480762), (104, 11429729), (136, 8740381), (221, 5378696), (421, 2823496), (442, 2689348), (842, 1411748), (884, 1344674), (1597, 744328), (1684, 705874), (1768, 672337), (3194, 372164), (3368, 352937), (5473, 217192), (6388, 186082), (7157, 166088), (10946, 108596), (12776, 93041), (14314, 83044), (20761, 57256), (21892, 54298), (27149, 43784), (28628, 41522)]