87161305

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 137871360

約数和(自身を除く): 50710055

約数列:

[1, 5, 7, 11, 31, 35, 55, 67, 77, 109, 155, 217, 335, 341, 385, 469, 545, 737, 763, 1085, 1199, 1705, 2077, 2345, 2387, 3379, 3685, 3815, 5159, 5995, 7303, 8393, 10385, 11935, 14539, 16895, 22847, 23653, 25795, 36515, 37169, 41965, 51121, 72695, 80333, 114235, 118265, 159929, 185845, 226393, 255605, 260183, 401665, 562331, 799645, 1131965, 1300915, 1584751, 2490323, 2811655, 7923755, 12451615, 17432261, 87161305]

約数ペア:

[(1, 87161305), (5, 17432261), (7, 12451615), (11, 7923755), (31, 2811655), (35, 2490323), (55, 1584751), (67, 1300915), (77, 1131965), (109, 799645), (155, 562331), (217, 401665), (335, 260183), (341, 255605), (385, 226393), (469, 185845), (545, 159929), (737, 118265), (763, 114235), (1085, 80333), (1199, 72695), (1705, 51121), (2077, 41965), (2345, 37169), (2387, 36515), (3379, 25795), (3685, 23653), (3815, 22847), (5159, 16895), (5995, 14539), (7303, 11935), (8393, 10385)]