199925744

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:777

約数の個数: 40

約数和(自身を含む): 392891520

約数和(自身を除く): 192965776

約数列:

[1, 2, 4, 8, 16, 137, 223, 274, 409, 446, 548, 818, 892, 1096, 1636, 1784, 2192, 3272, 3568, 6544, 30551, 56033, 61102, 91207, 112066, 122204, 182414, 224132, 244408, 364828, 448264, 488816, 729656, 896528, 1459312, 12495359, 24990718, 49981436, 99962872, 199925744]

約数ペア:

[(1, 199925744), (2, 99962872), (4, 49981436), (8, 24990718), (16, 12495359), (137, 1459312), (223, 896528), (274, 729656), (409, 488816), (446, 448264), (548, 364828), (818, 244408), (892, 224132), (1096, 182414), (1636, 122204), (1784, 112066), (2192, 91207), (3272, 61102), (3568, 56033), (6544, 30551)]