17721232

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:407

約数の個数: 40

約数和(自身を含む): 35549312

約数和(自身を除く): 17828080

約数列:

[1, 2, 4, 8, 16, 61, 67, 122, 134, 244, 268, 271, 488, 536, 542, 976, 1072, 1084, 2168, 4087, 4336, 8174, 16348, 16531, 18157, 32696, 33062, 36314, 65392, 66124, 72628, 132248, 145256, 264496, 290512, 1107577, 2215154, 4430308, 8860616, 17721232]

約数ペア:

[(1, 17721232), (2, 8860616), (4, 4430308), (8, 2215154), (16, 1107577), (61, 290512), (67, 264496), (122, 145256), (134, 132248), (244, 72628), (268, 66124), (271, 65392), (488, 36314), (536, 33062), (542, 32696), (976, 18157), (1072, 16531), (1084, 16348), (2168, 8174), (4087, 4336)]