651551344

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2143261}}^1$

素因数の和:2143288

約数の個数: 20

約数和(自身を含む): 1328822440

約数和(自身を除く): 677271096

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2143261, 4286522, 8573044, 17146088, 34292176, 40721959, 81443918, 162887836, 325775672, 651551344]

約数ペア:

[(1, 651551344), (2, 325775672), (4, 162887836), (8, 81443918), (16, 40721959), (19, 34292176), (38, 17146088), (76, 8573044), (152, 4286522), (304, 2143261)]