40203793

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 52268544

約数和(自身を除く): 12064751

約数列:

[1, 7, 17, 23, 37, 119, 161, 259, 391, 397, 629, 851, 2737, 2779, 4403, 5957, 6749, 9131, 14467, 14689, 47243, 63917, 101269, 102823, 155227, 249713, 337847, 1086589, 1747991, 2364929, 5743399, 40203793]

約数ペア:

[(1, 40203793), (7, 5743399), (17, 2364929), (23, 1747991), (37, 1086589), (119, 337847), (161, 249713), (259, 155227), (391, 102823), (397, 101269), (629, 63917), (851, 47243), (2737, 14689), (2779, 14467), (4403, 9131), (5957, 6749)]