263018305

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 372314880

約数和(自身を除く): 109296575

約数列:

[1, 5, 11, 17, 55, 85, 107, 121, 187, 239, 535, 605, 935, 1177, 1195, 1819, 2057, 2629, 4063, 5885, 9095, 10285, 12947, 13145, 20009, 20315, 25573, 28919, 44693, 64735, 100045, 127865, 144595, 220099, 223465, 281303, 434741, 491623, 1100495, 1406515, 2173705, 2458115, 3094333, 4782151, 15471665, 23910755, 52603661, 263018305]

約数ペア:

[(1, 263018305), (5, 52603661), (11, 23910755), (17, 15471665), (55, 4782151), (85, 3094333), (107, 2458115), (121, 2173705), (187, 1406515), (239, 1100495), (535, 491623), (605, 434741), (935, 281303), (1177, 223465), (1195, 220099), (1819, 144595), (2057, 127865), (2629, 100045), (4063, 64735), (5885, 44693), (9095, 28919), (10285, 25573), (12947, 20315), (13145, 20009)]