81359938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{3299}}^1$

素因数の和:3390

約数の個数: 32

約数和(自身を含む): 142560000

約数和(自身を除く): 61200062

約数列:

[1, 2, 11, 19, 22, 38, 59, 118, 209, 418, 649, 1121, 1298, 2242, 3299, 6598, 12331, 24662, 36289, 62681, 72578, 125362, 194641, 389282, 689491, 1378982, 2141051, 3698179, 4282102, 7396358, 40679969, 81359938]

約数ペア:

[(1, 81359938), (2, 40679969), (11, 7396358), (19, 4282102), (22, 3698179), (38, 2141051), (59, 1378982), (118, 689491), (209, 389282), (418, 194641), (649, 125362), (1121, 72578), (1298, 62681), (2242, 36289), (3299, 24662), (6598, 12331)]