15781916

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 31026240

約数和(自身を除く): 15244324

約数列:

[1, 2, 4, 17, 29, 34, 53, 58, 68, 106, 116, 151, 212, 302, 493, 604, 901, 986, 1537, 1802, 1972, 2567, 3074, 3604, 4379, 5134, 6148, 8003, 8758, 10268, 16006, 17516, 26129, 32012, 52258, 74443, 104516, 136051, 148886, 232087, 272102, 297772, 464174, 544204, 928348, 3945479, 7890958, 15781916]

約数ペア:

[(1, 15781916), (2, 7890958), (4, 3945479), (17, 928348), (29, 544204), (34, 464174), (53, 297772), (58, 272102), (68, 232087), (106, 148886), (116, 136051), (151, 104516), (212, 74443), (302, 52258), (493, 32012), (604, 26129), (901, 17516), (986, 16006), (1537, 10268), (1802, 8758), (1972, 8003), (2567, 6148), (3074, 5134), (3604, 4379)]