78778905

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{887}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 130940928

約数和(自身を除く): 52162023

約数列:

[1, 3, 5, 15, 31, 93, 155, 191, 465, 573, 887, 955, 2661, 2865, 4435, 5921, 13305, 17763, 27497, 29605, 82491, 88815, 137485, 169417, 412455, 508251, 847085, 2541255, 5251927, 15755781, 26259635, 78778905]

約数ペア:

[(1, 78778905), (3, 26259635), (5, 15755781), (15, 5251927), (31, 2541255), (93, 847085), (155, 508251), (191, 412455), (465, 169417), (573, 137485), (887, 88815), (955, 82491), (2661, 29605), (2865, 27497), (4435, 17763), (5921, 13305)]