243357328

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 506217600

約数和(自身を除く): 262860272

約数列:

[1, 2, 4, 8, 16, 29, 58, 71, 83, 89, 116, 142, 166, 178, 232, 284, 332, 356, 464, 568, 664, 712, 1136, 1328, 1424, 2059, 2407, 2581, 4118, 4814, 5162, 5893, 6319, 7387, 8236, 9628, 10324, 11786, 12638, 14774, 16472, 19256, 20648, 23572, 25276, 29548, 32944, 38512, 41296, 47144, 50552, 59096, 94288, 101104, 118192, 170897, 183251, 214223, 341794, 366502, 428446, 524477, 683588, 733004, 856892, 1048954, 1367176, 1466008, 1713784, 2097908, 2734352, 2932016, 3427568, 4195816, 8391632, 15209833, 30419666, 60839332, 121678664, 243357328]

約数ペア:

[(1, 243357328), (2, 121678664), (4, 60839332), (8, 30419666), (16, 15209833), (29, 8391632), (58, 4195816), (71, 3427568), (83, 2932016), (89, 2734352), (116, 2097908), (142, 1713784), (166, 1466008), (178, 1367176), (232, 1048954), (284, 856892), (332, 733004), (356, 683588), (464, 524477), (568, 428446), (664, 366502), (712, 341794), (1136, 214223), (1328, 183251), (1424, 170897), (2059, 118192), (2407, 101104), (2581, 94288), (4118, 59096), (4814, 50552), (5162, 47144), (5893, 41296), (6319, 38512), (7387, 32944), (8236, 29548), (9628, 25276), (10324, 23572), (11786, 20648), (12638, 19256), (14774, 16472)]