28081746

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20261}}^1$

素因数の和:20287

約数の個数: 48

約数和(自身を含む): 75860928

約数和(自身を除く): 47779182

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 20261, 40522, 60783, 121566, 141827, 182349, 222871, 283654, 364698, 425481, 445742, 668613, 850962, 1276443, 1337226, 1560097, 2005839, 2552886, 3120194, 4011678, 4680291, 9360582, 14040873, 28081746]

約数ペア:

[(1, 28081746), (2, 14040873), (3, 9360582), (6, 4680291), (7, 4011678), (9, 3120194), (11, 2552886), (14, 2005839), (18, 1560097), (21, 1337226), (22, 1276443), (33, 850962), (42, 668613), (63, 445742), (66, 425481), (77, 364698), (99, 283654), (126, 222871), (154, 182349), (198, 141827), (231, 121566), (462, 60783), (693, 40522), (1386, 20261)]