77887816

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{787}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 148932000

約数和(自身を除く): 71044184

約数列:

[1, 2, 4, 8, 89, 139, 178, 278, 356, 556, 712, 787, 1112, 1574, 3148, 6296, 12371, 24742, 49484, 70043, 98968, 109393, 140086, 218786, 280172, 437572, 560344, 875144, 9735977, 19471954, 38943908, 77887816]

約数ペア:

[(1, 77887816), (2, 38943908), (4, 19471954), (8, 9735977), (89, 875144), (139, 560344), (178, 437572), (278, 280172), (356, 218786), (556, 140086), (712, 109393), (787, 98968), (1112, 70043), (1574, 49484), (3148, 24742), (6296, 12371)]