66621272

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{136519}}^1$

素因数の和:136586

約数の個数: 16

約数和(自身を含む): 126963600

約数和(自身を除く): 60342328

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 136519, 273038, 546076, 1092152, 8327659, 16655318, 33310636, 66621272]

約数ペア:

[(1, 66621272), (2, 33310636), (4, 16655318), (8, 8327659), (61, 1092152), (122, 546076), (244, 273038), (488, 136519)]