28778442

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{373}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 72382464

約数和(自身を除く): 43604022

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 167, 231, 334, 373, 462, 501, 746, 1002, 1119, 1169, 1837, 2238, 2338, 2611, 3507, 3674, 4103, 5222, 5511, 7014, 7833, 8206, 11022, 12309, 12859, 15666, 24618, 25718, 28721, 38577, 57442, 62291, 77154, 86163, 124582, 172326, 186873, 373746, 436037, 685201, 872074, 1308111, 1370402, 2055603, 2616222, 4111206, 4796407, 9592814, 14389221, 28778442]

約数ペア:

[(1, 28778442), (2, 14389221), (3, 9592814), (6, 4796407), (7, 4111206), (11, 2616222), (14, 2055603), (21, 1370402), (22, 1308111), (33, 872074), (42, 685201), (66, 436037), (77, 373746), (154, 186873), (167, 172326), (231, 124582), (334, 86163), (373, 77154), (462, 62291), (501, 57442), (746, 38577), (1002, 28721), (1119, 25718), (1169, 24618), (1837, 15666), (2238, 12859), (2338, 12309), (2611, 11022), (3507, 8206), (3674, 7833), (4103, 7014), (5222, 5511)]