13040615

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 20093184

約数和(自身を除く): 7052569

約数列:

[1, 5, 7, 17, 31, 35, 49, 85, 101, 119, 155, 217, 245, 505, 527, 595, 707, 833, 1085, 1519, 1717, 2635, 3131, 3535, 3689, 4165, 4949, 7595, 8585, 12019, 15655, 18445, 21917, 24745, 25823, 53227, 60095, 84133, 109585, 129115, 153419, 266135, 372589, 420665, 767095, 1862945, 2608123, 13040615]

約数ペア:

[(1, 13040615), (5, 2608123), (7, 1862945), (17, 767095), (31, 420665), (35, 372589), (49, 266135), (85, 153419), (101, 129115), (119, 109585), (155, 84133), (217, 60095), (245, 53227), (505, 25823), (527, 24745), (595, 21917), (707, 18445), (833, 15655), (1085, 12019), (1519, 8585), (1717, 7595), (2635, 4949), (3131, 4165), (3535, 3689)]