12909785

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 19699200

約数和(自身を除く): 6789415

約数列:

[1, 5, 7, 23, 29, 35, 49, 79, 115, 145, 161, 203, 245, 395, 553, 667, 805, 1015, 1127, 1421, 1817, 2291, 2765, 3335, 3871, 4669, 5635, 7105, 9085, 11455, 12719, 16037, 19355, 23345, 32683, 52693, 63595, 80185, 89033, 112259, 163415, 263465, 368851, 445165, 561295, 1844255, 2581957, 12909785]

約数ペア:

[(1, 12909785), (5, 2581957), (7, 1844255), (23, 561295), (29, 445165), (35, 368851), (49, 263465), (79, 163415), (115, 112259), (145, 89033), (161, 80185), (203, 63595), (245, 52693), (395, 32683), (553, 23345), (667, 19355), (805, 16037), (1015, 12719), (1127, 11455), (1421, 9085), (1817, 7105), (2291, 5635), (2765, 4669), (3335, 3871)]