81623816

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{311}}^1\times {\mathrm{619}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 156686400

約数和(自身を除く): 75062584

約数列:

[1, 2, 4, 8, 53, 106, 212, 311, 424, 619, 622, 1238, 1244, 2476, 2488, 4952, 16483, 32807, 32966, 65614, 65932, 131228, 131864, 192509, 262456, 385018, 770036, 1540072, 10202977, 20405954, 40811908, 81623816]

約数ペア:

[(1, 81623816), (2, 40811908), (4, 20405954), (8, 10202977), (53, 1540072), (106, 770036), (212, 385018), (311, 262456), (424, 192509), (619, 131864), (622, 131228), (1238, 65932), (1244, 65614), (2476, 32966), (2488, 32807), (4952, 16483)]