8878415

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 14054400

約数和(自身を除く): 5175985

約数列:

[1, 5, 7, 13, 19, 35, 65, 79, 91, 95, 133, 169, 247, 395, 455, 553, 665, 845, 1027, 1183, 1235, 1501, 1729, 2765, 3211, 5135, 5915, 7189, 7505, 8645, 10507, 13351, 16055, 19513, 22477, 35945, 52535, 66755, 93457, 97565, 112385, 136591, 253669, 467285, 682955, 1268345, 1775683, 8878415]

約数ペア:

[(1, 8878415), (5, 1775683), (7, 1268345), (13, 682955), (19, 467285), (35, 253669), (65, 136591), (79, 112385), (91, 97565), (95, 93457), (133, 66755), (169, 52535), (247, 35945), (395, 22477), (455, 19513), (553, 16055), (665, 13351), (845, 10507), (1027, 8645), (1183, 7505), (1235, 7189), (1501, 5915), (1729, 5135), (2765, 3211)]