2011497605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 2830464000

約数和(自身を除く): 818966395

約数列:

[1, 5, 13, 19, 53, 65, 79, 95, 247, 265, 389, 395, 689, 1007, 1027, 1235, 1501, 1945, 3445, 4187, 5035, 5057, 5135, 7391, 7505, 13091, 19513, 20617, 20935, 25285, 30731, 36955, 54431, 65455, 79553, 96083, 97565, 103085, 153655, 268021, 272155, 391723, 397765, 399503, 480415, 583889, 1034189, 1340105, 1628743, 1958615, 1997515, 2919445, 5092399, 5170945, 7590557, 8143715, 21173659, 25461995, 30946117, 37952785, 105868295, 154730585, 402299521, 2011497605]

約数ペア:

[(1, 2011497605), (5, 402299521), (13, 154730585), (19, 105868295), (53, 37952785), (65, 30946117), (79, 25461995), (95, 21173659), (247, 8143715), (265, 7590557), (389, 5170945), (395, 5092399), (689, 2919445), (1007, 1997515), (1027, 1958615), (1235, 1628743), (1501, 1340105), (1945, 1034189), (3445, 583889), (4187, 480415), (5035, 399503), (5057, 397765), (5135, 391723), (7391, 272155), (7505, 268021), (13091, 153655), (19513, 103085), (20617, 97565), (20935, 96083), (25285, 79553), (30731, 65455), (36955, 54431)]