648156688

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1481}}^1\times {\mathrm{1609}}^1$

素因数の和:3115

約数の個数: 40

約数和(自身を含む): 1331399160

約数和(自身を除く): 683242472

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1481, 1609, 2962, 3218, 5924, 6436, 11848, 12872, 23696, 25177, 25744, 27353, 50354, 54706, 100708, 109412, 201416, 218824, 402832, 437648, 2382929, 4765858, 9531716, 19063432, 38126864, 40509793, 81019586, 162039172, 324078344, 648156688]

約数ペア:

[(1, 648156688), (2, 324078344), (4, 162039172), (8, 81019586), (16, 40509793), (17, 38126864), (34, 19063432), (68, 9531716), (136, 4765858), (272, 2382929), (1481, 437648), (1609, 402832), (2962, 218824), (3218, 201416), (5924, 109412), (6436, 100708), (11848, 54706), (12872, 50354), (23696, 27353), (25177, 25744)]