1278412135

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3499}}^1$

素因数の和:3608

約数の個数: 64

約数和(自身を含む): 2088576000

約数和(自身を除く): 810163865

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 73, 77, 91, 143, 365, 385, 455, 511, 715, 803, 949, 1001, 2555, 3499, 4015, 4745, 5005, 5621, 6643, 10439, 17495, 24493, 28105, 33215, 38489, 45487, 52195, 73073, 122465, 192445, 227435, 255427, 269423, 318409, 365365, 500357, 1277135, 1347115, 1592045, 1787989, 2501785, 2809697, 3320551, 3502499, 8939945, 14048485, 16602755, 17512495, 19667879, 23243857, 36526061, 98339395, 116219285, 182630305, 255682427, 1278412135]

約数ペア:

[(1, 1278412135), (5, 255682427), (7, 182630305), (11, 116219285), (13, 98339395), (35, 36526061), (55, 23243857), (65, 19667879), (73, 17512495), (77, 16602755), (91, 14048485), (143, 8939945), (365, 3502499), (385, 3320551), (455, 2809697), (511, 2501785), (715, 1787989), (803, 1592045), (949, 1347115), (1001, 1277135), (2555, 500357), (3499, 365365), (4015, 318409), (4745, 269423), (5005, 255427), (5621, 227435), (6643, 192445), (10439, 122465), (17495, 73073), (24493, 52195), (28105, 45487), (33215, 38489)]