128611696

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{57829}}^1$

素因数の和:57976

約数の個数: 20

約数和(自身を含む): 250982200

約数和(自身を除く): 122370504

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 57829, 115658, 231316, 462632, 925264, 8038231, 16076462, 32152924, 64305848, 128611696]

約数ペア:

[(1, 128611696), (2, 64305848), (4, 32152924), (8, 16076462), (16, 8038231), (139, 925264), (278, 462632), (556, 231316), (1112, 115658), (2224, 57829)]