64434890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1373}}^1$

素因数の和:1431

約数の個数: 48

約数和(自身を含む): 131920488

約数和(自身を除く): 67485598

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 361, 494, 722, 1235, 1373, 1805, 2470, 2746, 3610, 4693, 6865, 9386, 13730, 17849, 23465, 26087, 35698, 46930, 52174, 89245, 130435, 178490, 260870, 339131, 495653, 678262, 991306, 1695655, 2478265, 3391310, 4956530, 6443489, 12886978, 32217445, 64434890]

約数ペア:

[(1, 64434890), (2, 32217445), (5, 12886978), (10, 6443489), (13, 4956530), (19, 3391310), (26, 2478265), (38, 1695655), (65, 991306), (95, 678262), (130, 495653), (190, 339131), (247, 260870), (361, 178490), (494, 130435), (722, 89245), (1235, 52174), (1373, 46930), (1805, 35698), (2470, 26087), (2746, 23465), (3610, 17849), (4693, 13730), (6865, 9386)]