85986890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{571}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 173837664

約数和(自身を除く): 87850774

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 571, 814, 1142, 1369, 2035, 2738, 2855, 4070, 5710, 6281, 6845, 12562, 13690, 15059, 21127, 30118, 31405, 42254, 62810, 75295, 105635, 150590, 211270, 232397, 464794, 781699, 1161985, 1563398, 2323970, 3908495, 7816990, 8598689, 17197378, 42993445, 85986890]

約数ペア:

[(1, 85986890), (2, 42993445), (5, 17197378), (10, 8598689), (11, 7816990), (22, 3908495), (37, 2323970), (55, 1563398), (74, 1161985), (110, 781699), (185, 464794), (370, 232397), (407, 211270), (571, 150590), (814, 105635), (1142, 75295), (1369, 62810), (2035, 42254), (2738, 31405), (2855, 30118), (4070, 21127), (5710, 15059), (6281, 13690), (6845, 12562)]