328897448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{196709}}^1$

素因数の和:196745

約数の個数: 32

約数和(自身を含む): 708156000

約数和(自身を除く): 379258552

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 196709, 393418, 786836, 1573672, 2163799, 3737471, 4327598, 7474942, 8655196, 14949884, 17310392, 29899768, 41112181, 82224362, 164448724, 328897448]

約数ペア:

[(1, 328897448), (2, 164448724), (4, 82224362), (8, 41112181), (11, 29899768), (19, 17310392), (22, 14949884), (38, 8655196), (44, 7474942), (76, 4327598), (88, 3737471), (152, 2163799), (209, 1573672), (418, 786836), (836, 393418), (1672, 196709)]