78122415

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{677}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 146545632

約数和(自身を除く): 68423217

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 157, 245, 471, 677, 735, 785, 1099, 2031, 2355, 3297, 3385, 4739, 5495, 7693, 10155, 14217, 16485, 23079, 23695, 33173, 38465, 71085, 99519, 106289, 115395, 165865, 318867, 497595, 531445, 744023, 1594335, 2232069, 3720115, 5208161, 11160345, 15624483, 26040805, 78122415]

約数ペア:

[(1, 78122415), (3, 26040805), (5, 15624483), (7, 11160345), (15, 5208161), (21, 3720115), (35, 2232069), (49, 1594335), (105, 744023), (147, 531445), (157, 497595), (245, 318867), (471, 165865), (677, 115395), (735, 106289), (785, 99519), (1099, 71085), (2031, 38465), (2355, 33173), (3297, 23695), (3385, 23079), (4739, 16485), (5495, 14217), (7693, 10155)]