31319828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{4001}}^1$

素因数の和:4127

約数の個数: 24

約数和(自身を含む): 58269120

約数和(自身を除く): 26949292

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 3914, 4001, 7828, 8002, 16004, 76019, 152038, 304076, 412103, 824206, 1648412, 7829957, 15659914, 31319828]

約数ペア:

[(1, 31319828), (2, 15659914), (4, 7829957), (19, 1648412), (38, 824206), (76, 412103), (103, 304076), (206, 152038), (412, 76019), (1957, 16004), (3914, 8002), (4001, 7828)]