31929638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 58786560

約数和(自身を除く): 26856922

約数列:

[1, 2, 13, 17, 26, 29, 34, 47, 53, 58, 94, 106, 221, 377, 442, 493, 611, 689, 754, 799, 901, 986, 1222, 1363, 1378, 1537, 1598, 1802, 2491, 2726, 3074, 4982, 6409, 10387, 11713, 12818, 17719, 19981, 20774, 23171, 23426, 26129, 32383, 35438, 39962, 42347, 46342, 52258, 64766, 72239, 84694, 144478, 301223, 339677, 550511, 602446, 679354, 939107, 1101022, 1228063, 1878214, 2456126, 15964819, 31929638]

約数ペア:

[(1, 31929638), (2, 15964819), (13, 2456126), (17, 1878214), (26, 1228063), (29, 1101022), (34, 939107), (47, 679354), (53, 602446), (58, 550511), (94, 339677), (106, 301223), (221, 144478), (377, 84694), (442, 72239), (493, 64766), (611, 52258), (689, 46342), (754, 42347), (799, 39962), (901, 35438), (986, 32383), (1222, 26129), (1363, 23426), (1378, 23171), (1537, 20774), (1598, 19981), (1802, 17719), (2491, 12818), (2726, 11713), (3074, 10387), (4982, 6409)]