1278887388

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1\times {\mathrm{3361}}^1$

素因数の和:4262

約数の個数: 48

約数和(自身を含む): 3069210144

約数和(自身を除く): 1790322756

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 857, 1714, 2571, 3361, 3428, 5142, 6722, 10083, 10284, 13444, 20166, 31709, 40332, 63418, 95127, 124357, 126836, 190254, 248714, 373071, 380508, 497428, 746142, 1492284, 2880377, 5760754, 8641131, 11521508, 17282262, 34564524, 106573949, 213147898, 319721847, 426295796, 639443694, 1278887388]

約数ペア:

[(1, 1278887388), (2, 639443694), (3, 426295796), (4, 319721847), (6, 213147898), (12, 106573949), (37, 34564524), (74, 17282262), (111, 11521508), (148, 8641131), (222, 5760754), (444, 2880377), (857, 1492284), (1714, 746142), (2571, 497428), (3361, 380508), (3428, 373071), (5142, 248714), (6722, 190254), (10083, 126836), (10284, 124357), (13444, 95127), (20166, 63418), (31709, 40332)]