71189295

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 126804480

約数和(自身を除く): 55615185

約数列:

[1, 3, 5, 15, 19, 37, 43, 57, 95, 111, 129, 157, 185, 215, 285, 471, 555, 645, 703, 785, 817, 1591, 2109, 2355, 2451, 2983, 3515, 4085, 4773, 5809, 6751, 7955, 8949, 10545, 12255, 14915, 17427, 20253, 23865, 29045, 30229, 33755, 44745, 87135, 90687, 101265, 110371, 128269, 151145, 249787, 331113, 384807, 453435, 551855, 641345, 749361, 1248935, 1655565, 1924035, 3746805, 4745953, 14237859, 23729765, 71189295]

約数ペア:

[(1, 71189295), (3, 23729765), (5, 14237859), (15, 4745953), (19, 3746805), (37, 1924035), (43, 1655565), (57, 1248935), (95, 749361), (111, 641345), (129, 551855), (157, 453435), (185, 384807), (215, 331113), (285, 249787), (471, 151145), (555, 128269), (645, 110371), (703, 101265), (785, 90687), (817, 87135), (1591, 44745), (2109, 33755), (2355, 30229), (2451, 29045), (2983, 23865), (3515, 20253), (4085, 17427), (4773, 14915), (5809, 12255), (6751, 10545), (7955, 8949)]