420653984

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{10891}}^1$

素因数の和:10989

約数の個数: 48

約数和(自身を含む): 889310016

約数和(自身を除く): 468656032

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 71, 136, 142, 272, 284, 544, 568, 1136, 1207, 2272, 2414, 4828, 9656, 10891, 19312, 21782, 38624, 43564, 87128, 174256, 185147, 348512, 370294, 740588, 773261, 1481176, 1546522, 2962352, 3093044, 5924704, 6186088, 12372176, 13145437, 24744352, 26290874, 52581748, 105163496, 210326992, 420653984]

約数ペア:

[(1, 420653984), (2, 210326992), (4, 105163496), (8, 52581748), (16, 26290874), (17, 24744352), (32, 13145437), (34, 12372176), (68, 6186088), (71, 5924704), (136, 3093044), (142, 2962352), (272, 1546522), (284, 1481176), (544, 773261), (568, 740588), (1136, 370294), (1207, 348512), (2272, 185147), (2414, 174256), (4828, 87128), (9656, 43564), (10891, 38624), (19312, 21782)]