7272991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 32

約数和(自身を含む): 9331200

約数和(自身を除く): 2058209

約数列:

[1, 11, 17, 19, 23, 89, 187, 209, 253, 323, 391, 437, 979, 1513, 1691, 2047, 3553, 4301, 4807, 7429, 16643, 18601, 22517, 28747, 34799, 38893, 81719, 316217, 382789, 427823, 661181, 7272991]

約数ペア:

[(1, 7272991), (11, 661181), (17, 427823), (19, 382789), (23, 316217), (89, 81719), (187, 38893), (209, 34799), (253, 28747), (323, 22517), (391, 18601), (437, 16643), (979, 7429), (1513, 4807), (1691, 4301), (2047, 3553)]