820565502

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{857}}^1$

素因数の和:1145

約数の個数: 64

約数和(自身を含む): 1784090880

約数和(自身を除く): 963525378

約数列:

[1, 2, 3, 6, 19, 37, 38, 57, 74, 111, 114, 222, 227, 454, 681, 703, 857, 1362, 1406, 1714, 2109, 2571, 4218, 4313, 5142, 8399, 8626, 12939, 16283, 16798, 25197, 25878, 31709, 32566, 48849, 50394, 63418, 95127, 97698, 159581, 190254, 194539, 319162, 389078, 478743, 583617, 602471, 957486, 1167234, 1204942, 1807413, 3614826, 3696241, 7197943, 7392482, 11088723, 14395886, 21593829, 22177446, 43187658, 136760917, 273521834, 410282751, 820565502]

約数ペア:

[(1, 820565502), (2, 410282751), (3, 273521834), (6, 136760917), (19, 43187658), (37, 22177446), (38, 21593829), (57, 14395886), (74, 11088723), (111, 7392482), (114, 7197943), (222, 3696241), (227, 3614826), (454, 1807413), (681, 1204942), (703, 1167234), (857, 957486), (1362, 602471), (1406, 583617), (1714, 478743), (2109, 389078), (2571, 319162), (4218, 194539), (4313, 190254), (5142, 159581), (8399, 97698), (8626, 95127), (12939, 63418), (16283, 50394), (16798, 48849), (25197, 32566), (25878, 31709)]