85185905

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 130636800

約数和(自身を除く): 45450895

約数列:

[1, 5, 7, 23, 29, 35, 41, 89, 115, 145, 161, 203, 205, 287, 445, 623, 667, 805, 943, 1015, 1189, 1435, 2047, 2581, 3115, 3335, 3649, 4669, 4715, 5945, 6601, 8323, 10235, 12905, 14329, 18067, 18245, 23345, 25543, 27347, 33005, 41615, 59363, 71645, 83927, 90335, 105821, 127715, 136735, 191429, 296815, 415541, 419635, 529105, 587489, 740747, 957145, 2077705, 2433883, 2937445, 3703735, 12169415, 17037181, 85185905]

約数ペア:

[(1, 85185905), (5, 17037181), (7, 12169415), (23, 3703735), (29, 2937445), (35, 2433883), (41, 2077705), (89, 957145), (115, 740747), (145, 587489), (161, 529105), (203, 419635), (205, 415541), (287, 296815), (445, 191429), (623, 136735), (667, 127715), (805, 105821), (943, 90335), (1015, 83927), (1189, 71645), (1435, 59363), (2047, 41615), (2581, 33005), (3115, 27347), (3335, 25543), (3649, 23345), (4669, 18245), (4715, 18067), (5945, 14329), (6601, 12905), (8323, 10235)]