212558216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{19843}}^1$

素因数の和:19965

約数の個数: 32

約数和(自身を含む): 433392960

約数和(自身を除く): 220834744

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 1339, 2678, 5356, 10712, 19843, 39686, 79372, 158744, 257959, 515918, 1031836, 2043829, 2063672, 4087658, 8175316, 16350632, 26569777, 53139554, 106279108, 212558216]

約数ペア:

[(1, 212558216), (2, 106279108), (4, 53139554), (8, 26569777), (13, 16350632), (26, 8175316), (52, 4087658), (103, 2063672), (104, 2043829), (206, 1031836), (412, 515918), (824, 257959), (1339, 158744), (2678, 79372), (5356, 39686), (10712, 19843)]