65431972

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:556

約数の個数: 36

約数和(自身を含む): 122223276

約数和(自身を除く): 56791304

約数列:

[1, 2, 4, 19, 38, 76, 113, 226, 361, 401, 452, 722, 802, 1444, 1604, 2147, 4294, 7619, 8588, 15238, 30476, 40793, 45313, 81586, 90626, 144761, 163172, 181252, 289522, 579044, 860947, 1721894, 3443788, 16357993, 32715986, 65431972]

約数ペア:

[(1, 65431972), (2, 32715986), (4, 16357993), (19, 3443788), (38, 1721894), (76, 860947), (113, 579044), (226, 289522), (361, 181252), (401, 163172), (452, 144761), (722, 90626), (802, 81586), (1444, 45313), (1604, 40793), (2147, 30476), (4294, 15238), (7619, 8588)]