71396985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 132295680

約数和(自身を除く): 60898695

約数列:

[1, 3, 5, 11, 15, 29, 33, 43, 55, 87, 129, 145, 165, 215, 319, 347, 435, 473, 645, 957, 1041, 1247, 1419, 1595, 1735, 2365, 3741, 3817, 4785, 5205, 6235, 7095, 10063, 11451, 13717, 14921, 18705, 19085, 30189, 41151, 44763, 50315, 57255, 68585, 74605, 110693, 150945, 164131, 205755, 223815, 332079, 432709, 492393, 553465, 820655, 1298127, 1660395, 2163545, 2461965, 4759799, 6490635, 14279397, 23798995, 71396985]

約数ペア:

[(1, 71396985), (3, 23798995), (5, 14279397), (11, 6490635), (15, 4759799), (29, 2461965), (33, 2163545), (43, 1660395), (55, 1298127), (87, 820655), (129, 553465), (145, 492393), (165, 432709), (215, 332079), (319, 223815), (347, 205755), (435, 164131), (473, 150945), (645, 110693), (957, 74605), (1041, 68585), (1247, 57255), (1419, 50315), (1595, 44763), (1735, 41151), (2365, 30189), (3741, 19085), (3817, 18705), (4785, 14921), (5205, 13717), (6235, 11451), (7095, 10063)]