215885752

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1420301}}^1$

素因数の和:1420326

約数の個数: 16

約数和(自身を含む): 426090600

約数和(自身を除く): 210204848

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1420301, 2840602, 5681204, 11362408, 26985719, 53971438, 107942876, 215885752]

約数ペア:

[(1, 215885752), (2, 107942876), (4, 53971438), (8, 26985719), (19, 11362408), (38, 5681204), (76, 2840602), (152, 1420301)]