218753456

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{1031}}^1$

素因数の和:1277

約数の個数: 40

約数和(自身を含む): 431892000

約数和(自身を除く): 213138544

約数列:

[1, 2, 4, 8, 16, 89, 149, 178, 298, 356, 596, 712, 1031, 1192, 1424, 2062, 2384, 4124, 8248, 13261, 16496, 26522, 53044, 91759, 106088, 153619, 183518, 212176, 307238, 367036, 614476, 734072, 1228952, 1468144, 2457904, 13672091, 27344182, 54688364, 109376728, 218753456]

約数ペア:

[(1, 218753456), (2, 109376728), (4, 54688364), (8, 27344182), (16, 13672091), (89, 2457904), (149, 1468144), (178, 1228952), (298, 734072), (356, 614476), (596, 367036), (712, 307238), (1031, 212176), (1192, 183518), (1424, 153619), (2062, 106088), (2384, 91759), (4124, 53044), (8248, 26522), (13261, 16496)]