78828784

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1543}}^1$

素因数の和:1685

約数の個数: 40

約数和(自身を含む): 159291392

約数和(自身を除く): 80462608

約数列:

[1, 2, 4, 8, 16, 31, 62, 103, 124, 206, 248, 412, 496, 824, 1543, 1648, 3086, 3193, 6172, 6386, 12344, 12772, 24688, 25544, 47833, 51088, 95666, 158929, 191332, 317858, 382664, 635716, 765328, 1271432, 2542864, 4926799, 9853598, 19707196, 39414392, 78828784]

約数ペア:

[(1, 78828784), (2, 39414392), (4, 19707196), (8, 9853598), (16, 4926799), (31, 2542864), (62, 1271432), (103, 765328), (124, 635716), (206, 382664), (248, 317858), (412, 191332), (496, 158929), (824, 95666), (1543, 51088), (1648, 47833), (3086, 25544), (3193, 24688), (6172, 12772), (6386, 12344)]