648972008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{128969}}^1$

素因数の和:129029

約数の個数: 32

約数和(自身を含む): 1323232200

約数和(自身を除く): 674260192

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 629, 1258, 2516, 5032, 128969, 257938, 515876, 1031752, 2192473, 4384946, 4771853, 8769892, 9543706, 17539784, 19087412, 38174824, 81121501, 162243002, 324486004, 648972008]

約数ペア:

[(1, 648972008), (2, 324486004), (4, 162243002), (8, 81121501), (17, 38174824), (34, 19087412), (37, 17539784), (68, 9543706), (74, 8769892), (136, 4771853), (148, 4384946), (296, 2192473), (629, 1031752), (1258, 515876), (2516, 257938), (5032, 128969)]