221525192

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{30197}}^1$

素因数の和:30341

約数の個数: 32

約数和(自身を含む): 478336320

約数和(自身を除く): 256811128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 3668, 7336, 30197, 60394, 120788, 211379, 241576, 422758, 845516, 1691032, 3955807, 7911614, 15823228, 27690649, 31646456, 55381298, 110762596, 221525192]

約数ペア:

[(1, 221525192), (2, 110762596), (4, 55381298), (7, 31646456), (8, 27690649), (14, 15823228), (28, 7911614), (56, 3955807), (131, 1691032), (262, 845516), (524, 422758), (917, 241576), (1048, 211379), (1834, 120788), (3668, 60394), (7336, 30197)]