81035912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{659}}^1\times {\mathrm{809}}^1$

素因数の和:1493

約数の個数: 32

約数和(自身を含む): 160380000

約数和(自身を除く): 79344088

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 659, 809, 1318, 1618, 2636, 3236, 5272, 6472, 12521, 15371, 25042, 30742, 50084, 61484, 100168, 122968, 533131, 1066262, 2132524, 4265048, 10129489, 20258978, 40517956, 81035912]

約数ペア:

[(1, 81035912), (2, 40517956), (4, 20258978), (8, 10129489), (19, 4265048), (38, 2132524), (76, 1066262), (152, 533131), (659, 122968), (809, 100168), (1318, 61484), (1618, 50084), (2636, 30742), (3236, 25042), (5272, 15371), (6472, 12521)]