80851813

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 36

約数和(自身を含む): 103919436

約数和(自身を除く): 23067623

約数列:

[1, 7, 17, 31, 49, 101, 119, 217, 527, 707, 833, 961, 1519, 1717, 3131, 3689, 4949, 6727, 12019, 16337, 21917, 25823, 47089, 53227, 84133, 97061, 114359, 153419, 372589, 679427, 800513, 1650037, 2608123, 4755989, 11550259, 80851813]

約数ペア:

[(1, 80851813), (7, 11550259), (17, 4755989), (31, 2608123), (49, 1650037), (101, 800513), (119, 679427), (217, 372589), (527, 153419), (707, 114359), (833, 97061), (961, 84133), (1519, 53227), (1717, 47089), (3131, 25823), (3689, 21917), (4949, 16337), (6727, 12019)]