1221645292

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{715249}}^1$

素因数の和:715321

約数の個数: 24

約数和(自身を含む): 2483348000

約数和(自身を除く): 1261702708

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 715249, 1430498, 2860996, 5006743, 10013486, 20026972, 43630189, 87260378, 174520756, 305411323, 610822646, 1221645292]

約数ペア:

[(1, 1221645292), (2, 610822646), (4, 305411323), (7, 174520756), (14, 87260378), (28, 43630189), (61, 20026972), (122, 10013486), (244, 5006743), (427, 2860996), (854, 1430498), (1708, 715249)]