81881906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1109}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 135864000

約数和(自身を除く): 53982094

約数列:

[1, 2, 19, 29, 38, 58, 67, 134, 551, 1102, 1109, 1273, 1943, 2218, 2546, 3886, 21071, 32161, 36917, 42142, 64322, 73834, 74303, 148606, 611059, 1222118, 1411757, 2154787, 2823514, 4309574, 40940953, 81881906]

約数ペア:

[(1, 81881906), (2, 40940953), (19, 4309574), (29, 2823514), (38, 2154787), (58, 1411757), (67, 1222118), (134, 611059), (551, 148606), (1102, 74303), (1109, 73834), (1273, 64322), (1943, 42142), (2218, 36917), (2546, 32161), (3886, 21071)]