217688758

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{5171}}^1$

素因数の和:5308

約数の個数: 32

約数和(自身を含む): 389265408

約数和(自身を除く): 171576650

約数列:

[1, 2, 7, 14, 31, 62, 97, 194, 217, 434, 679, 1358, 3007, 5171, 6014, 10342, 21049, 36197, 42098, 72394, 160301, 320602, 501587, 1003174, 1122107, 2244214, 3511109, 7022218, 15549197, 31098394, 108844379, 217688758]

約数ペア:

[(1, 217688758), (2, 108844379), (7, 31098394), (14, 15549197), (31, 7022218), (62, 3511109), (97, 2244214), (194, 1122107), (217, 1003174), (434, 501587), (679, 320602), (1358, 160301), (3007, 72394), (5171, 42098), (6014, 36197), (10342, 21049)]