2557187464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{4621}}^1$

素因数の和:4970

約数の個数: 64

約数和(自身を含む): 5485944240

約数和(自身を除く): 2928756776

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 313, 442, 626, 884, 1252, 1768, 2504, 4069, 4621, 5321, 8138, 9242, 10642, 16276, 18484, 21284, 32552, 36968, 42568, 60073, 69173, 78557, 120146, 138346, 157114, 240292, 276692, 314228, 480584, 553384, 628456, 1021241, 1446373, 2042482, 2892746, 4084964, 5785492, 8169928, 11570984, 18802849, 24588341, 37605698, 49176682, 75211396, 98353364, 150422792, 196706728, 319648433, 639296866, 1278593732, 2557187464]

約数ペア:

[(1, 2557187464), (2, 1278593732), (4, 639296866), (8, 319648433), (13, 196706728), (17, 150422792), (26, 98353364), (34, 75211396), (52, 49176682), (68, 37605698), (104, 24588341), (136, 18802849), (221, 11570984), (313, 8169928), (442, 5785492), (626, 4084964), (884, 2892746), (1252, 2042482), (1768, 1446373), (2504, 1021241), (4069, 628456), (4621, 553384), (5321, 480584), (8138, 314228), (9242, 276692), (10642, 240292), (16276, 157114), (18484, 138346), (21284, 120146), (32552, 78557), (36968, 69173), (42568, 60073)]