209600153

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 261488640

約数和(自身を除く): 51888487

約数列:

[1, 7, 19, 37, 133, 191, 223, 259, 703, 1337, 1561, 3629, 4237, 4921, 7067, 8251, 25403, 29659, 42593, 49469, 57757, 134273, 156769, 298151, 809267, 939911, 1097383, 1575941, 5664869, 11031587, 29942879, 209600153]

約数ペア:

[(1, 209600153), (7, 29942879), (19, 11031587), (37, 5664869), (133, 1575941), (191, 1097383), (223, 939911), (259, 809267), (703, 298151), (1337, 156769), (1561, 134273), (3629, 57757), (4237, 49469), (4921, 42593), (7067, 29659), (8251, 25403)]