81444378

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2789}}^1$

素因数の和:2982

約数の個数: 32

約数和(自身を含む): 169274880

約数和(自身を除く): 87830502

約数列:

[1, 2, 3, 6, 31, 62, 93, 157, 186, 314, 471, 942, 2789, 4867, 5578, 8367, 9734, 14601, 16734, 29202, 86459, 172918, 259377, 437873, 518754, 875746, 1313619, 2627238, 13574063, 27148126, 40722189, 81444378]

約数ペア:

[(1, 81444378), (2, 40722189), (3, 27148126), (6, 13574063), (31, 2627238), (62, 1313619), (93, 875746), (157, 518754), (186, 437873), (314, 259377), (471, 172918), (942, 86459), (2789, 29202), (4867, 16734), (5578, 14601), (8367, 9734)]