65989495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 101243520

約数和(自身を除く): 35254025

約数列:

[1, 5, 11, 13, 17, 55, 61, 65, 85, 89, 143, 187, 221, 305, 445, 671, 715, 793, 935, 979, 1037, 1105, 1157, 1513, 2431, 3355, 3965, 4895, 5185, 5429, 5785, 7565, 8723, 11407, 12155, 12727, 13481, 16643, 19669, 27145, 43615, 57035, 59719, 63635, 67405, 70577, 83215, 92293, 98345, 148291, 216359, 298595, 352885, 461465, 741455, 776347, 1015223, 1081795, 1199809, 3881735, 5076115, 5999045, 13197899, 65989495]

約数ペア:

[(1, 65989495), (5, 13197899), (11, 5999045), (13, 5076115), (17, 3881735), (55, 1199809), (61, 1081795), (65, 1015223), (85, 776347), (89, 741455), (143, 461465), (187, 352885), (221, 298595), (305, 216359), (445, 148291), (671, 98345), (715, 92293), (793, 83215), (935, 70577), (979, 67405), (1037, 63635), (1105, 59719), (1157, 57035), (1513, 43615), (2431, 27145), (3355, 19669), (3965, 16643), (4895, 13481), (5185, 12727), (5429, 12155), (5785, 11407), (7565, 8723)]