81889967555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{881}}^1\times {\mathrm{1117}}^1$

素因数の和:2120

約数の個数: 64

約数和(自身を含む): 115015904640

約数和(自身を除く): 33125937085

約数列:

[1, 5, 11, 17, 55, 85, 89, 187, 445, 881, 935, 979, 1117, 1513, 4405, 4895, 5585, 7565, 9691, 12287, 14977, 16643, 18989, 48455, 61435, 74885, 78409, 83215, 94945, 99413, 164747, 208879, 392045, 497065, 823735, 862499, 984077, 1044395, 1093543, 1332953, 1690021, 4312495, 4920385, 5467715, 6664765, 8450105, 10824847, 14662483, 16729309, 18590231, 54124235, 73312415, 83646545, 87582853, 92951155, 184022399, 437914265, 920111995, 963411383, 1488908501, 4817056915, 7444542505, 16377993511, 81889967555]

約数ペア:

[(1, 81889967555), (5, 16377993511), (11, 7444542505), (17, 4817056915), (55, 1488908501), (85, 963411383), (89, 920111995), (187, 437914265), (445, 184022399), (881, 92951155), (935, 87582853), (979, 83646545), (1117, 73312415), (1513, 54124235), (4405, 18590231), (4895, 16729309), (5585, 14662483), (7565, 10824847), (9691, 8450105), (12287, 6664765), (14977, 5467715), (16643, 4920385), (18989, 4312495), (48455, 1690021), (61435, 1332953), (74885, 1093543), (78409, 1044395), (83215, 984077), (94945, 862499), (99413, 823735), (164747, 497065), (208879, 392045)]