207920793616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{683949979}}^1$

素因数の和:683950006

約数の個数: 20

約数和(自身を含む): 424048987600

約数和(自身を除く): 216128193984

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 683949979, 1367899958, 2735799916, 5471599832, 10943199664, 12995049601, 25990099202, 51980198404, 103960396808, 207920793616]

約数ペア:

[(1, 207920793616), (2, 103960396808), (4, 51980198404), (8, 25990099202), (16, 12995049601), (19, 10943199664), (38, 5471599832), (76, 2735799916), (152, 1367899958), (304, 683949979)]