81404884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1613}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 164860416

約数和(自身を除く): 83455532

約数列:

[1, 2, 4, 11, 22, 31, 37, 44, 62, 74, 124, 148, 341, 407, 682, 814, 1147, 1364, 1613, 1628, 2294, 3226, 4588, 6452, 12617, 17743, 25234, 35486, 50003, 50468, 59681, 70972, 100006, 119362, 200012, 238724, 550033, 656491, 1100066, 1312982, 1850111, 2200132, 2625964, 3700222, 7400444, 20351221, 40702442, 81404884]

約数ペア:

[(1, 81404884), (2, 40702442), (4, 20351221), (11, 7400444), (22, 3700222), (31, 2625964), (37, 2200132), (44, 1850111), (62, 1312982), (74, 1100066), (124, 656491), (148, 550033), (341, 238724), (407, 200012), (682, 119362), (814, 100006), (1147, 70972), (1364, 59681), (1613, 50468), (1628, 50003), (2294, 35486), (3226, 25234), (4588, 17743), (6452, 12617)]