218636904

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 555128640

約数和(自身を除く): 336491736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 197, 262, 353, 393, 394, 524, 591, 706, 786, 788, 1048, 1059, 1182, 1412, 1572, 1576, 2118, 2364, 2824, 3144, 4236, 4728, 8472, 25807, 46243, 51614, 69541, 77421, 92486, 103228, 138729, 139082, 154842, 184972, 206456, 208623, 277458, 278164, 309684, 369944, 417246, 554916, 556328, 619368, 834492, 1109832, 1668984, 9109871, 18219742, 27329613, 36439484, 54659226, 72878968, 109318452, 218636904]

約数ペア:

[(1, 218636904), (2, 109318452), (3, 72878968), (4, 54659226), (6, 36439484), (8, 27329613), (12, 18219742), (24, 9109871), (131, 1668984), (197, 1109832), (262, 834492), (353, 619368), (393, 556328), (394, 554916), (524, 417246), (591, 369944), (706, 309684), (786, 278164), (788, 277458), (1048, 208623), (1059, 206456), (1182, 184972), (1412, 154842), (1572, 139082), (1576, 138729), (2118, 103228), (2364, 92486), (2824, 77421), (3144, 69541), (4236, 51614), (4728, 46243), (8472, 25807)]