1261891912

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{269}}^1\times {\mathrm{2029}}^1$

素因数の和:2338

約数の個数: 48

約数和(自身を含む): 2524000500

約数和(自身を除く): 1262108588

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 269, 289, 538, 578, 1076, 1156, 2029, 2152, 2312, 4058, 4573, 8116, 9146, 16232, 18292, 34493, 36584, 68986, 77741, 137972, 155482, 275944, 310964, 545801, 586381, 621928, 1091602, 1172762, 2183204, 2345524, 4366408, 4691048, 9278617, 18557234, 37114468, 74228936, 157736489, 315472978, 630945956, 1261891912]

約数ペア:

[(1, 1261891912), (2, 630945956), (4, 315472978), (8, 157736489), (17, 74228936), (34, 37114468), (68, 18557234), (136, 9278617), (269, 4691048), (289, 4366408), (538, 2345524), (578, 2183204), (1076, 1172762), (1156, 1091602), (2029, 621928), (2152, 586381), (2312, 545801), (4058, 310964), (4573, 275944), (8116, 155482), (9146, 137972), (16232, 77741), (18292, 68986), (34493, 36584)]