1878311215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4597}}^1$

素因数の和:4672

約数の個数: 64

約数和(自身を含む): 2860323840

約数和(自身を除く): 982012625

約数列:

[1, 5, 11, 17, 19, 23, 55, 85, 95, 115, 187, 209, 253, 323, 391, 437, 935, 1045, 1265, 1615, 1955, 2185, 3553, 4301, 4597, 4807, 7429, 17765, 21505, 22985, 24035, 37145, 50567, 78149, 81719, 87343, 105731, 252835, 390745, 408595, 436715, 528655, 859639, 960773, 1163041, 1484831, 1797427, 2008889, 4298195, 4803865, 5815205, 7424155, 8987135, 10044445, 16333141, 19771697, 22097779, 34151113, 81665705, 98858485, 110488895, 170755565, 375662243, 1878311215]

約数ペア:

[(1, 1878311215), (5, 375662243), (11, 170755565), (17, 110488895), (19, 98858485), (23, 81665705), (55, 34151113), (85, 22097779), (95, 19771697), (115, 16333141), (187, 10044445), (209, 8987135), (253, 7424155), (323, 5815205), (391, 4803865), (437, 4298195), (935, 2008889), (1045, 1797427), (1265, 1484831), (1615, 1163041), (1955, 960773), (2185, 859639), (3553, 528655), (4301, 436715), (4597, 408595), (4807, 390745), (7429, 252835), (17765, 105731), (21505, 87343), (22985, 81719), (24035, 78149), (37145, 50567)]