83784415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 128241792

約数和(自身を除く): 44457377

約数列:

[1, 5, 11, 13, 17, 55, 61, 65, 85, 113, 143, 187, 221, 305, 565, 671, 715, 793, 935, 1037, 1105, 1243, 1469, 1921, 2431, 3355, 3965, 5185, 6215, 6893, 7345, 8723, 9605, 11407, 12155, 13481, 16159, 21131, 24973, 34465, 43615, 57035, 67405, 75823, 80795, 89609, 105655, 117181, 124865, 148291, 274703, 379115, 448045, 585905, 741455, 985699, 1288991, 1373515, 1523353, 4928495, 6444955, 7616765, 16756883, 83784415]

約数ペア:

[(1, 83784415), (5, 16756883), (11, 7616765), (13, 6444955), (17, 4928495), (55, 1523353), (61, 1373515), (65, 1288991), (85, 985699), (113, 741455), (143, 585905), (187, 448045), (221, 379115), (305, 274703), (565, 148291), (671, 124865), (715, 117181), (793, 105655), (935, 89609), (1037, 80795), (1105, 75823), (1243, 67405), (1469, 57035), (1921, 43615), (2431, 34465), (3355, 24973), (3965, 21131), (5185, 16159), (6215, 13481), (6893, 12155), (7345, 11407), (8723, 9605)]