90642786

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{15919}}^1$

素因数の和:16010

約数の個数: 32

約数和(自身を含む): 197917440

約数和(自身を除く): 107274654

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 219, 438, 949, 1898, 2847, 5694, 15919, 31838, 47757, 95514, 206947, 413894, 620841, 1162087, 1241682, 2324174, 3486261, 6972522, 15107131, 30214262, 45321393, 90642786]

約数ペア:

[(1, 90642786), (2, 45321393), (3, 30214262), (6, 15107131), (13, 6972522), (26, 3486261), (39, 2324174), (73, 1241682), (78, 1162087), (146, 620841), (219, 413894), (438, 206947), (949, 95514), (1898, 47757), (2847, 31838), (5694, 15919)]